3.20.96 \(\int \frac {20^{\frac {1}{\log (\frac {1}{16} (64+16 x+x^2+(-64-8 x) \log (3+e^{e^x})+16 \log ^2(3+e^{e^x})))}} (6 \log (20)+e^{e^x} (2 \log (20)-8 e^x \log (20)))}{(-24+e^{e^x} (-8-x)-3 x+(12+4 e^{e^x}) \log (3+e^{e^x})) \log ^2(\frac {1}{16} (64+16 x+x^2+(-64-8 x) \log (3+e^{e^x})+16 \log ^2(3+e^{e^x})))} \, dx\) [1996]

3.20.96.1 Optimal result
3.20.96.2 Mathematica [A] (verified)
3.20.96.3 Rubi [F]
3.20.96.4 Maple [C] (warning: unable to verify)
3.20.96.5 Fricas [A] (verification not implemented)
3.20.96.6 Sympy [F(-1)]
3.20.96.7 Maxima [F]
3.20.96.8 Giac [F]
3.20.96.9 Mupad [B] (verification not implemented)

3.20.96.1 Optimal result

Integrand size = 144, antiderivative size = 24 \[ \int \frac {20^{\frac {1}{\log \left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )}} \left (6 \log (20)+e^{e^x} \left (2 \log (20)-8 e^x \log (20)\right )\right )}{\left (-24+e^{e^x} (-8-x)-3 x+\left (12+4 e^{e^x}\right ) \log \left (3+e^{e^x}\right )\right ) \log ^2\left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )} \, dx=20^{\frac {1}{\log \left (\left (2+\frac {x}{4}-\log \left (3+e^{e^x}\right )\right )^2\right )}} \]

output
exp(ln(20)/ln((1/4*x-ln(exp(exp(x))+3)+2)^2))
 
3.20.96.2 Mathematica [A] (verified)

Time = 0.12 (sec) , antiderivative size = 24, normalized size of antiderivative = 1.00 \[ \int \frac {20^{\frac {1}{\log \left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )}} \left (6 \log (20)+e^{e^x} \left (2 \log (20)-8 e^x \log (20)\right )\right )}{\left (-24+e^{e^x} (-8-x)-3 x+\left (12+4 e^{e^x}\right ) \log \left (3+e^{e^x}\right )\right ) \log ^2\left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )} \, dx=20^{\frac {1}{\log \left (\frac {1}{16} \left (8+x-4 \log \left (3+e^{e^x}\right )\right )^2\right )}} \]

input
Integrate[(20^Log[(64 + 16*x + x^2 + (-64 - 8*x)*Log[3 + E^E^x] + 16*Log[3 
 + E^E^x]^2)/16]^(-1)*(6*Log[20] + E^E^x*(2*Log[20] - 8*E^x*Log[20])))/((- 
24 + E^E^x*(-8 - x) - 3*x + (12 + 4*E^E^x)*Log[3 + E^E^x])*Log[(64 + 16*x 
+ x^2 + (-64 - 8*x)*Log[3 + E^E^x] + 16*Log[3 + E^E^x]^2)/16]^2),x]
 
output
20^Log[(8 + x - 4*Log[3 + E^E^x])^2/16]^(-1)
 
3.20.96.3 Rubi [F]

Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.

\(\displaystyle \int \frac {20^{\frac {1}{\log \left (\frac {1}{16} \left (x^2+16 x+16 \log ^2\left (e^{e^x}+3\right )+(-8 x-64) \log \left (e^{e^x}+3\right )+64\right )\right )}} \left (e^{e^x} \left (2 \log (20)-8 e^x \log (20)\right )+6 \log (20)\right )}{\left (e^{e^x} (-x-8)-3 x+\left (4 e^{e^x}+12\right ) \log \left (e^{e^x}+3\right )-24\right ) \log ^2\left (\frac {1}{16} \left (x^2+16 x+16 \log ^2\left (e^{e^x}+3\right )+(-8 x-64) \log \left (e^{e^x}+3\right )+64\right )\right )} \, dx\)

\(\Big \downarrow \) 7292

\(\displaystyle \int \frac {\left (-e^{e^x}+4 e^{x+e^x}-3\right ) \log (20) 2^{\frac {2}{\log \left (\frac {1}{16} \left (x-4 \log \left (e^{e^x}+3\right )+8\right )^2\right )}+1} 5^{\frac {1}{\log \left (\frac {1}{16} \left (x-4 \log \left (e^{e^x}+3\right )+8\right )^2\right )}}}{\left (e^{e^x}+3\right ) \left (x-4 \log \left (e^{e^x}+3\right )+8\right ) \log ^2\left (\frac {1}{16} \left (x-4 \log \left (e^{e^x}+3\right )+8\right )^2\right )}dx\)

\(\Big \downarrow \) 27

\(\displaystyle \log (20) \int -\frac {2^{1+\frac {2}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}} 5^{\frac {1}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}} \left (3+e^{e^x}-4 e^{x+e^x}\right )}{\left (3+e^{e^x}\right ) \left (x-4 \log \left (3+e^{e^x}\right )+8\right ) \log ^2\left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}dx\)

\(\Big \downarrow \) 25

\(\displaystyle -\log (20) \int \frac {2^{1+\frac {2}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}} 5^{\frac {1}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}} \left (3+e^{e^x}-4 e^{x+e^x}\right )}{\left (3+e^{e^x}\right ) \left (x-4 \log \left (3+e^{e^x}\right )+8\right ) \log ^2\left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}dx\)

\(\Big \downarrow \) 7293

\(\displaystyle -\log (20) \int \left (\frac {2^{1+\frac {2}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}} 5^{\frac {1}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}}}{\left (x-4 \log \left (3+e^{e^x}\right )+8\right ) \log ^2\left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}-\frac {2^{3+\frac {2}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}} 5^{\frac {1}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}} e^{x+e^x}}{\left (3+e^{e^x}\right ) \left (x-4 \log \left (3+e^{e^x}\right )+8\right ) \log ^2\left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}\right )dx\)

\(\Big \downarrow \) 2009

\(\displaystyle -\log (20) \left (\int \frac {2^{1+\frac {2}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}} 5^{\frac {1}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}}}{\left (x-4 \log \left (3+e^{e^x}\right )+8\right ) \log ^2\left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}dx-\int \frac {2^{3+\frac {2}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}} 5^{\frac {1}{\log \left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}} e^{x+e^x}}{\left (3+e^{e^x}\right ) \left (x-4 \log \left (3+e^{e^x}\right )+8\right ) \log ^2\left (\frac {1}{16} \left (x-4 \log \left (3+e^{e^x}\right )+8\right )^2\right )}dx\right )\)

input
Int[(20^Log[(64 + 16*x + x^2 + (-64 - 8*x)*Log[3 + E^E^x] + 16*Log[3 + E^E 
^x]^2)/16]^(-1)*(6*Log[20] + E^E^x*(2*Log[20] - 8*E^x*Log[20])))/((-24 + E 
^E^x*(-8 - x) - 3*x + (12 + 4*E^E^x)*Log[3 + E^E^x])*Log[(64 + 16*x + x^2 
+ (-64 - 8*x)*Log[3 + E^E^x] + 16*Log[3 + E^E^x]^2)/16]^2),x]
 
output
$Aborted
 

3.20.96.3.1 Defintions of rubi rules used

rule 25
Int[-(Fx_), x_Symbol] :> Simp[Identity[-1]   Int[Fx, x], x]
 

rule 27
Int[(a_)*(Fx_), x_Symbol] :> Simp[a   Int[Fx, x], x] /; FreeQ[a, x] &&  !Ma 
tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
 

rule 2009
Int[u_, x_Symbol] :> Simp[IntSum[u, x], x] /; SumQ[u]
 

rule 7292
Int[u_, x_Symbol] :> With[{v = NormalizeIntegrand[u, x]}, Int[v, x] /; v =! 
= u]
 

rule 7293
Int[u_, x_Symbol] :> With[{v = ExpandIntegrand[u, x]}, Int[v, x] /; SumQ[v] 
]
 
3.20.96.4 Maple [C] (warning: unable to verify)

Result contains higher order function than in optimal. Order 9 vs. order 3.

Time = 0.54 (sec) , antiderivative size = 132, normalized size of antiderivative = 5.50

\[\left (\frac {1}{16}\right )^{\frac {1}{2 i \operatorname {csgn}\left (i {\left (-4 \ln \left ({\mathrm e}^{{\mathrm e}^{x}}+3\right )+x +8\right )}^{2}\right ) \pi -2 i \pi \,\operatorname {csgn}\left (i \left (-4 \ln \left ({\mathrm e}^{{\mathrm e}^{x}}+3\right )+x +8\right )\right )+8 \ln \left (2\right )-4 \ln \left (-4 \ln \left ({\mathrm e}^{{\mathrm e}^{x}}+3\right )+x +8\right )}} \left (\frac {1}{25}\right )^{\frac {1}{2 i \operatorname {csgn}\left (i {\left (-4 \ln \left ({\mathrm e}^{{\mathrm e}^{x}}+3\right )+x +8\right )}^{2}\right ) \pi -2 i \pi \,\operatorname {csgn}\left (i \left (-4 \ln \left ({\mathrm e}^{{\mathrm e}^{x}}+3\right )+x +8\right )\right )+8 \ln \left (2\right )-4 \ln \left (-4 \ln \left ({\mathrm e}^{{\mathrm e}^{x}}+3\right )+x +8\right )}}\]

input
int(((-8*ln(20)*exp(x)+2*ln(20))*exp(exp(x))+6*ln(20))*exp(ln(20)/ln(ln(ex 
p(exp(x))+3)^2+1/16*(-8*x-64)*ln(exp(exp(x))+3)+1/16*x^2+x+4))/((4*exp(exp 
(x))+12)*ln(exp(exp(x))+3)+(-x-8)*exp(exp(x))-3*x-24)/ln(ln(exp(exp(x))+3) 
^2+1/16*(-8*x-64)*ln(exp(exp(x))+3)+1/16*x^2+x+4)^2,x)
 
output
(1/16)^(1/2/(I*csgn(I*(-4*ln(exp(exp(x))+3)+x+8)^2)*Pi-I*Pi*csgn(I*(-4*ln( 
exp(exp(x))+3)+x+8))+4*ln(2)-2*ln(-4*ln(exp(exp(x))+3)+x+8)))*(1/25)^(1/2/ 
(I*csgn(I*(-4*ln(exp(exp(x))+3)+x+8)^2)*Pi-I*Pi*csgn(I*(-4*ln(exp(exp(x))+ 
3)+x+8))+4*ln(2)-2*ln(-4*ln(exp(exp(x))+3)+x+8)))
 
3.20.96.5 Fricas [A] (verification not implemented)

Time = 0.25 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.33 \[ \int \frac {20^{\frac {1}{\log \left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )}} \left (6 \log (20)+e^{e^x} \left (2 \log (20)-8 e^x \log (20)\right )\right )}{\left (-24+e^{e^x} (-8-x)-3 x+\left (12+4 e^{e^x}\right ) \log \left (3+e^{e^x}\right )\right ) \log ^2\left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )} \, dx=20^{\left (\frac {1}{\log \left (\frac {1}{16} \, x^{2} - \frac {1}{2} \, {\left (x + 8\right )} \log \left (e^{\left (e^{x}\right )} + 3\right ) + \log \left (e^{\left (e^{x}\right )} + 3\right )^{2} + x + 4\right )}\right )} \]

input
integrate(((-8*log(20)*exp(x)+2*log(20))*exp(exp(x))+6*log(20))*exp(log(20 
)/log(log(exp(exp(x))+3)^2+1/16*(-8*x-64)*log(exp(exp(x))+3)+1/16*x^2+x+4) 
)/((4*exp(exp(x))+12)*log(exp(exp(x))+3)+(-x-8)*exp(exp(x))-3*x-24)/log(lo 
g(exp(exp(x))+3)^2+1/16*(-8*x-64)*log(exp(exp(x))+3)+1/16*x^2+x+4)^2,x, al 
gorithm=\
 
output
20^(1/log(1/16*x^2 - 1/2*(x + 8)*log(e^(e^x) + 3) + log(e^(e^x) + 3)^2 + x 
 + 4))
 
3.20.96.6 Sympy [F(-1)]

Timed out. \[ \int \frac {20^{\frac {1}{\log \left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )}} \left (6 \log (20)+e^{e^x} \left (2 \log (20)-8 e^x \log (20)\right )\right )}{\left (-24+e^{e^x} (-8-x)-3 x+\left (12+4 e^{e^x}\right ) \log \left (3+e^{e^x}\right )\right ) \log ^2\left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )} \, dx=\text {Timed out} \]

input
integrate(((-8*ln(20)*exp(x)+2*ln(20))*exp(exp(x))+6*ln(20))*exp(ln(20)/ln 
(ln(exp(exp(x))+3)**2+1/16*(-8*x-64)*ln(exp(exp(x))+3)+1/16*x**2+x+4))/((4 
*exp(exp(x))+12)*ln(exp(exp(x))+3)+(-x-8)*exp(exp(x))-3*x-24)/ln(ln(exp(ex 
p(x))+3)**2+1/16*(-8*x-64)*ln(exp(exp(x))+3)+1/16*x**2+x+4)**2,x)
 
output
Timed out
 
3.20.96.7 Maxima [F]

\[ \int \frac {20^{\frac {1}{\log \left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )}} \left (6 \log (20)+e^{e^x} \left (2 \log (20)-8 e^x \log (20)\right )\right )}{\left (-24+e^{e^x} (-8-x)-3 x+\left (12+4 e^{e^x}\right ) \log \left (3+e^{e^x}\right )\right ) \log ^2\left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )} \, dx=\int { \frac {2 \, {\left ({\left (4 \, e^{x} \log \left (20\right ) - \log \left (20\right )\right )} e^{\left (e^{x}\right )} - 3 \, \log \left (20\right )\right )} 20^{\left (\frac {1}{\log \left (\frac {1}{16} \, x^{2} - \frac {1}{2} \, {\left (x + 8\right )} \log \left (e^{\left (e^{x}\right )} + 3\right ) + \log \left (e^{\left (e^{x}\right )} + 3\right )^{2} + x + 4\right )}\right )}}{{\left ({\left (x + 8\right )} e^{\left (e^{x}\right )} - 4 \, {\left (e^{\left (e^{x}\right )} + 3\right )} \log \left (e^{\left (e^{x}\right )} + 3\right ) + 3 \, x + 24\right )} \log \left (\frac {1}{16} \, x^{2} - \frac {1}{2} \, {\left (x + 8\right )} \log \left (e^{\left (e^{x}\right )} + 3\right ) + \log \left (e^{\left (e^{x}\right )} + 3\right )^{2} + x + 4\right )^{2}} \,d x } \]

input
integrate(((-8*log(20)*exp(x)+2*log(20))*exp(exp(x))+6*log(20))*exp(log(20 
)/log(log(exp(exp(x))+3)^2+1/16*(-8*x-64)*log(exp(exp(x))+3)+1/16*x^2+x+4) 
)/((4*exp(exp(x))+12)*log(exp(exp(x))+3)+(-x-8)*exp(exp(x))-3*x-24)/log(lo 
g(exp(exp(x))+3)^2+1/16*(-8*x-64)*log(exp(exp(x))+3)+1/16*x^2+x+4)^2,x, al 
gorithm=\
 
output
2*integrate(((4*e^x*log(20) - log(20))*e^(e^x) - 3*log(20))*20^(1/log(1/16 
*x^2 - 1/2*(x + 8)*log(e^(e^x) + 3) + log(e^(e^x) + 3)^2 + x + 4))/(((x + 
8)*e^(e^x) - 4*(e^(e^x) + 3)*log(e^(e^x) + 3) + 3*x + 24)*log(1/16*x^2 - 1 
/2*(x + 8)*log(e^(e^x) + 3) + log(e^(e^x) + 3)^2 + x + 4)^2), x)
 
3.20.96.8 Giac [F]

\[ \int \frac {20^{\frac {1}{\log \left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )}} \left (6 \log (20)+e^{e^x} \left (2 \log (20)-8 e^x \log (20)\right )\right )}{\left (-24+e^{e^x} (-8-x)-3 x+\left (12+4 e^{e^x}\right ) \log \left (3+e^{e^x}\right )\right ) \log ^2\left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )} \, dx=\int { \frac {2 \, {\left ({\left (4 \, e^{x} \log \left (20\right ) - \log \left (20\right )\right )} e^{\left (e^{x}\right )} - 3 \, \log \left (20\right )\right )} 20^{\left (\frac {1}{\log \left (\frac {1}{16} \, x^{2} - \frac {1}{2} \, {\left (x + 8\right )} \log \left (e^{\left (e^{x}\right )} + 3\right ) + \log \left (e^{\left (e^{x}\right )} + 3\right )^{2} + x + 4\right )}\right )}}{{\left ({\left (x + 8\right )} e^{\left (e^{x}\right )} - 4 \, {\left (e^{\left (e^{x}\right )} + 3\right )} \log \left (e^{\left (e^{x}\right )} + 3\right ) + 3 \, x + 24\right )} \log \left (\frac {1}{16} \, x^{2} - \frac {1}{2} \, {\left (x + 8\right )} \log \left (e^{\left (e^{x}\right )} + 3\right ) + \log \left (e^{\left (e^{x}\right )} + 3\right )^{2} + x + 4\right )^{2}} \,d x } \]

input
integrate(((-8*log(20)*exp(x)+2*log(20))*exp(exp(x))+6*log(20))*exp(log(20 
)/log(log(exp(exp(x))+3)^2+1/16*(-8*x-64)*log(exp(exp(x))+3)+1/16*x^2+x+4) 
)/((4*exp(exp(x))+12)*log(exp(exp(x))+3)+(-x-8)*exp(exp(x))-3*x-24)/log(lo 
g(exp(exp(x))+3)^2+1/16*(-8*x-64)*log(exp(exp(x))+3)+1/16*x^2+x+4)^2,x, al 
gorithm=\
 
output
integrate(2*((4*e^x*log(20) - log(20))*e^(e^x) - 3*log(20))*20^(1/log(1/16 
*x^2 - 1/2*(x + 8)*log(e^(e^x) + 3) + log(e^(e^x) + 3)^2 + x + 4))/(((x + 
8)*e^(e^x) - 4*(e^(e^x) + 3)*log(e^(e^x) + 3) + 3*x + 24)*log(1/16*x^2 - 1 
/2*(x + 8)*log(e^(e^x) + 3) + log(e^(e^x) + 3)^2 + x + 4)^2), x)
 
3.20.96.9 Mupad [B] (verification not implemented)

Time = 11.41 (sec) , antiderivative size = 38, normalized size of antiderivative = 1.58 \[ \int \frac {20^{\frac {1}{\log \left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )}} \left (6 \log (20)+e^{e^x} \left (2 \log (20)-8 e^x \log (20)\right )\right )}{\left (-24+e^{e^x} (-8-x)-3 x+\left (12+4 e^{e^x}\right ) \log \left (3+e^{e^x}\right )\right ) \log ^2\left (\frac {1}{16} \left (64+16 x+x^2+(-64-8 x) \log \left (3+e^{e^x}\right )+16 \log ^2\left (3+e^{e^x}\right )\right )\right )} \, dx={20}^{\frac {1}{\ln \left (\frac {x^2}{16}-\frac {x\,\ln \left ({\mathrm {e}}^{{\mathrm {e}}^x}+3\right )}{2}+x+{\ln \left ({\mathrm {e}}^{{\mathrm {e}}^x}+3\right )}^2-4\,\ln \left ({\mathrm {e}}^{{\mathrm {e}}^x}+3\right )+4\right )}} \]

input
int(-(exp(log(20)/log(x + log(exp(exp(x)) + 3)^2 - (log(exp(exp(x)) + 3)*( 
8*x + 64))/16 + x^2/16 + 4))*(6*log(20) + exp(exp(x))*(2*log(20) - 8*exp(x 
)*log(20))))/(log(x + log(exp(exp(x)) + 3)^2 - (log(exp(exp(x)) + 3)*(8*x 
+ 64))/16 + x^2/16 + 4)^2*(3*x - log(exp(exp(x)) + 3)*(4*exp(exp(x)) + 12) 
 + exp(exp(x))*(x + 8) + 24)),x)
 
output
20^(1/log(x - 4*log(exp(exp(x)) + 3) + log(exp(exp(x)) + 3)^2 + x^2/16 - ( 
x*log(exp(exp(x)) + 3))/2 + 4))