Integrand size = 38, antiderivative size = 325 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3+g x^4+h x^5\right )}{\left (a+b x^3\right )^3} \, dx=-\frac {x \left (b c-a f+(b d-a g) x+(b e-a h) x^2\right )}{6 b^2 \left (a+b x^3\right )^2}+\frac {x \left (b c-7 a f+2 (b d-4 a g) x+3 (b e-3 a h) x^2\right )}{18 a b^2 \left (a+b x^3\right )}-\frac {\left (b^{4/3} c+\sqrt [3]{a} b d+2 a \sqrt [3]{b} f+5 a^{4/3} g\right ) \arctan \left (\frac {\sqrt [3]{a}-2 \sqrt [3]{b} x}{\sqrt {3} \sqrt [3]{a}}\right )}{9 \sqrt {3} a^{5/3} b^{8/3}}+\frac {\left (\sqrt [3]{b} (b c+2 a f)-\sqrt [3]{a} (b d+5 a g)\right ) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{27 a^{5/3} b^{8/3}}-\frac {\left (\sqrt [3]{b} (b c+2 a f)-\sqrt [3]{a} (b d+5 a g)\right ) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{54 a^{5/3} b^{8/3}}+\frac {h \log \left (a+b x^3\right )}{3 b^3} \]
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Time = 0.43 (sec) , antiderivative size = 325, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.263, Rules used = {1842, 1872, 1885, 1874, 31, 648, 631, 210, 642, 266} \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3+g x^4+h x^5\right )}{\left (a+b x^3\right )^3} \, dx=-\frac {\arctan \left (\frac {\sqrt [3]{a}-2 \sqrt [3]{b} x}{\sqrt {3} \sqrt [3]{a}}\right ) \left (5 a^{4/3} g+\sqrt [3]{a} b d+2 a \sqrt [3]{b} f+b^{4/3} c\right )}{9 \sqrt {3} a^{5/3} b^{8/3}}-\frac {\log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right ) \left (\sqrt [3]{b} (2 a f+b c)-\sqrt [3]{a} (5 a g+b d)\right )}{54 a^{5/3} b^{8/3}}+\frac {\log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right ) \left (\sqrt [3]{b} (2 a f+b c)-\sqrt [3]{a} (5 a g+b d)\right )}{27 a^{5/3} b^{8/3}}+\frac {h \log \left (a+b x^3\right )}{3 b^3}+\frac {x \left (2 x (b d-4 a g)+3 x^2 (b e-3 a h)-7 a f+b c\right )}{18 a b^2 \left (a+b x^3\right )}-\frac {x \left (x (b d-a g)+x^2 (b e-a h)-a f+b c\right )}{6 b^2 \left (a+b x^3\right )^2} \]
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Rule 31
Rule 210
Rule 266
Rule 631
Rule 642
Rule 648
Rule 1842
Rule 1872
Rule 1874
Rule 1885
Rubi steps \begin{align*} \text {integral}& = -\frac {x \left (b c-a f+(b d-a g) x+(b e-a h) x^2\right )}{6 b^2 \left (a+b x^3\right )^2}-\frac {\int \frac {-a b (b c-a f)-2 a b (b d-a g) x-3 a b (b e-a h) x^2-6 a b^2 f x^3-6 a b^2 g x^4-6 a b^2 h x^5}{\left (a+b x^3\right )^2} \, dx}{6 a b^3} \\ & = -\frac {x \left (b c-a f+(b d-a g) x+(b e-a h) x^2\right )}{6 b^2 \left (a+b x^3\right )^2}+\frac {x \left (b c-7 a f+2 (b d-4 a g) x+3 (b e-3 a h) x^2\right )}{18 a b^2 \left (a+b x^3\right )}+\frac {\int \frac {2 a b^3 (b c+2 a f)+2 a b^3 (b d+5 a g) x+18 a^2 b^3 h x^2}{a+b x^3} \, dx}{18 a^2 b^5} \\ & = -\frac {x \left (b c-a f+(b d-a g) x+(b e-a h) x^2\right )}{6 b^2 \left (a+b x^3\right )^2}+\frac {x \left (b c-7 a f+2 (b d-4 a g) x+3 (b e-3 a h) x^2\right )}{18 a b^2 \left (a+b x^3\right )}+\frac {\int \frac {2 a b^3 (b c+2 a f)+2 a b^3 (b d+5 a g) x}{a+b x^3} \, dx}{18 a^2 b^5}+\frac {h \int \frac {x^2}{a+b x^3} \, dx}{b^2} \\ & = -\frac {x \left (b c-a f+(b d-a g) x+(b e-a h) x^2\right )}{6 b^2 \left (a+b x^3\right )^2}+\frac {x \left (b c-7 a f+2 (b d-4 a g) x+3 (b e-3 a h) x^2\right )}{18 a b^2 \left (a+b x^3\right )}+\frac {h \log \left (a+b x^3\right )}{3 b^3}+\frac {\int \frac {\sqrt [3]{a} \left (4 a b^{10/3} (b c+2 a f)+2 a^{4/3} b^3 (b d+5 a g)\right )+\sqrt [3]{b} \left (-2 a b^{10/3} (b c+2 a f)+2 a^{4/3} b^3 (b d+5 a g)\right ) x}{a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2} \, dx}{54 a^{8/3} b^{16/3}}+\frac {\left (\sqrt [3]{b} (b c+2 a f)-\sqrt [3]{a} (b d+5 a g)\right ) \int \frac {1}{\sqrt [3]{a}+\sqrt [3]{b} x} \, dx}{27 a^{5/3} b^{7/3}} \\ & = -\frac {x \left (b c-a f+(b d-a g) x+(b e-a h) x^2\right )}{6 b^2 \left (a+b x^3\right )^2}+\frac {x \left (b c-7 a f+2 (b d-4 a g) x+3 (b e-3 a h) x^2\right )}{18 a b^2 \left (a+b x^3\right )}+\frac {\left (\sqrt [3]{b} (b c+2 a f)-\sqrt [3]{a} (b d+5 a g)\right ) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{27 a^{5/3} b^{8/3}}+\frac {h \log \left (a+b x^3\right )}{3 b^3}+\frac {\left (b^{4/3} c+\sqrt [3]{a} b d+2 a \sqrt [3]{b} f+5 a^{4/3} g\right ) \int \frac {1}{a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2} \, dx}{18 a^{4/3} b^{7/3}}-\frac {\left (\sqrt [3]{b} (b c+2 a f)-\sqrt [3]{a} (b d+5 a g)\right ) \int \frac {-\sqrt [3]{a} \sqrt [3]{b}+2 b^{2/3} x}{a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2} \, dx}{54 a^{5/3} b^{8/3}} \\ & = -\frac {x \left (b c-a f+(b d-a g) x+(b e-a h) x^2\right )}{6 b^2 \left (a+b x^3\right )^2}+\frac {x \left (b c-7 a f+2 (b d-4 a g) x+3 (b e-3 a h) x^2\right )}{18 a b^2 \left (a+b x^3\right )}+\frac {\left (\sqrt [3]{b} (b c+2 a f)-\sqrt [3]{a} (b d+5 a g)\right ) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{27 a^{5/3} b^{8/3}}-\frac {\left (\sqrt [3]{b} (b c+2 a f)-\sqrt [3]{a} (b d+5 a g)\right ) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{54 a^{5/3} b^{8/3}}+\frac {h \log \left (a+b x^3\right )}{3 b^3}+\frac {\left (b^{4/3} c+\sqrt [3]{a} b d+2 a \sqrt [3]{b} f+5 a^{4/3} g\right ) \text {Subst}\left (\int \frac {1}{-3-x^2} \, dx,x,1-\frac {2 \sqrt [3]{b} x}{\sqrt [3]{a}}\right )}{9 a^{5/3} b^{8/3}} \\ & = -\frac {x \left (b c-a f+(b d-a g) x+(b e-a h) x^2\right )}{6 b^2 \left (a+b x^3\right )^2}+\frac {x \left (b c-7 a f+2 (b d-4 a g) x+3 (b e-3 a h) x^2\right )}{18 a b^2 \left (a+b x^3\right )}-\frac {\left (b^{4/3} c+\sqrt [3]{a} b d+2 a \sqrt [3]{b} f+5 a^{4/3} g\right ) \tan ^{-1}\left (\frac {\sqrt [3]{a}-2 \sqrt [3]{b} x}{\sqrt {3} \sqrt [3]{a}}\right )}{9 \sqrt {3} a^{5/3} b^{8/3}}+\frac {\left (\sqrt [3]{b} (b c+2 a f)-\sqrt [3]{a} (b d+5 a g)\right ) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{27 a^{5/3} b^{8/3}}-\frac {\left (\sqrt [3]{b} (b c+2 a f)-\sqrt [3]{a} (b d+5 a g)\right ) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{54 a^{5/3} b^{8/3}}+\frac {h \log \left (a+b x^3\right )}{3 b^3} \\ \end{align*}
Time = 0.26 (sec) , antiderivative size = 315, normalized size of antiderivative = 0.97 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3+g x^4+h x^5\right )}{\left (a+b x^3\right )^3} \, dx=\frac {-\frac {9 \left (a^2 h+b^2 x (c+d x)-a b (e+x (f+g x))\right )}{\left (a+b x^3\right )^2}+\frac {36 a^2 h+3 b^2 x (c+2 d x)-3 a b (6 e+x (7 f+8 g x))}{a \left (a+b x^3\right )}-\frac {2 \sqrt {3} \sqrt [3]{b} \left (b^{4/3} c+\sqrt [3]{a} b d+2 a \sqrt [3]{b} f+5 a^{4/3} g\right ) \arctan \left (\frac {1-\frac {2 \sqrt [3]{b} x}{\sqrt [3]{a}}}{\sqrt {3}}\right )}{a^{5/3}}+\frac {2 \sqrt [3]{b} \left (b^{4/3} c-\sqrt [3]{a} b d+2 a \sqrt [3]{b} f-5 a^{4/3} g\right ) \log \left (\sqrt [3]{a}+\sqrt [3]{b} x\right )}{a^{5/3}}+\frac {\sqrt [3]{b} \left (-b^{4/3} c+\sqrt [3]{a} b d-2 a \sqrt [3]{b} f+5 a^{4/3} g\right ) \log \left (a^{2/3}-\sqrt [3]{a} \sqrt [3]{b} x+b^{2/3} x^2\right )}{a^{5/3}}+18 h \log \left (a+b x^3\right )}{54 b^3} \]
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Result contains higher order function than in optimal. Order 9 vs. order 3.
Time = 1.55 (sec) , antiderivative size = 173, normalized size of antiderivative = 0.53
method | result | size |
risch | \(\frac {-\frac {\left (4 a g -b d \right ) x^{5}}{9 a b}-\frac {\left (7 a f -b c \right ) x^{4}}{18 a b}+\frac {\left (2 a h -b e \right ) x^{3}}{3 b^{2}}-\frac {\left (5 a g +b d \right ) x^{2}}{18 b^{2}}-\frac {\left (2 a f +b c \right ) x}{9 b^{2}}+\frac {a \left (3 a h -b e \right )}{6 b^{3}}}{\left (b \,x^{3}+a \right )^{2}}+\frac {\munderset {\textit {\_R} =\operatorname {RootOf}\left (b \,\textit {\_Z}^{3}+a \right )}{\sum }\frac {\left (9 h \,\textit {\_R}^{2}+\frac {\left (5 a g +b d \right ) \textit {\_R}}{a}+\frac {2 a f +b c}{a}\right ) \ln \left (x -\textit {\_R} \right )}{\textit {\_R}^{2}}}{27 b^{3}}\) | \(173\) |
default | \(\frac {-\frac {\left (4 a g -b d \right ) x^{5}}{9 a b}-\frac {\left (7 a f -b c \right ) x^{4}}{18 a b}+\frac {\left (2 a h -b e \right ) x^{3}}{3 b^{2}}-\frac {\left (5 a g +b d \right ) x^{2}}{18 b^{2}}-\frac {\left (2 a f +b c \right ) x}{9 b^{2}}+\frac {a \left (3 a h -b e \right )}{6 b^{3}}}{\left (b \,x^{3}+a \right )^{2}}+\frac {\left (2 a f +b c \right ) \left (\frac {\ln \left (x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{3 b \left (\frac {a}{b}\right )^{\frac {2}{3}}}-\frac {\ln \left (x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{3}} x +\left (\frac {a}{b}\right )^{\frac {2}{3}}\right )}{6 b \left (\frac {a}{b}\right )^{\frac {2}{3}}}+\frac {\sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (\frac {2 x}{\left (\frac {a}{b}\right )^{\frac {1}{3}}}-1\right )}{3}\right )}{3 b \left (\frac {a}{b}\right )^{\frac {2}{3}}}\right )+\left (5 a g +b d \right ) \left (-\frac {\ln \left (x +\left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{3 b \left (\frac {a}{b}\right )^{\frac {1}{3}}}+\frac {\ln \left (x^{2}-\left (\frac {a}{b}\right )^{\frac {1}{3}} x +\left (\frac {a}{b}\right )^{\frac {2}{3}}\right )}{6 b \left (\frac {a}{b}\right )^{\frac {1}{3}}}+\frac {\sqrt {3}\, \arctan \left (\frac {\sqrt {3}\, \left (\frac {2 x}{\left (\frac {a}{b}\right )^{\frac {1}{3}}}-1\right )}{3}\right )}{3 b \left (\frac {a}{b}\right )^{\frac {1}{3}}}\right )+\frac {3 a h \ln \left (b \,x^{3}+a \right )}{b}}{9 a \,b^{2}}\) | \(337\) |
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Result contains complex when optimal does not.
Time = 1.96 (sec) , antiderivative size = 12939, normalized size of antiderivative = 39.81 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3+g x^4+h x^5\right )}{\left (a+b x^3\right )^3} \, dx=\text {Too large to display} \]
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Timed out. \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3+g x^4+h x^5\right )}{\left (a+b x^3\right )^3} \, dx=\text {Timed out} \]
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Time = 0.30 (sec) , antiderivative size = 366, normalized size of antiderivative = 1.13 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3+g x^4+h x^5\right )}{\left (a+b x^3\right )^3} \, dx=\frac {2 \, {\left (b^{3} d - 4 \, a b^{2} g\right )} x^{5} + {\left (b^{3} c - 7 \, a b^{2} f\right )} x^{4} - 3 \, a^{2} b e + 9 \, a^{3} h - 6 \, {\left (a b^{2} e - 2 \, a^{2} b h\right )} x^{3} - {\left (a b^{2} d + 5 \, a^{2} b g\right )} x^{2} - 2 \, {\left (a b^{2} c + 2 \, a^{2} b f\right )} x}{18 \, {\left (a b^{5} x^{6} + 2 \, a^{2} b^{4} x^{3} + a^{3} b^{3}\right )}} + \frac {\sqrt {3} {\left (b^{2} d \left (\frac {a}{b}\right )^{\frac {2}{3}} + 5 \, a b g \left (\frac {a}{b}\right )^{\frac {2}{3}} + b^{2} c \left (\frac {a}{b}\right )^{\frac {1}{3}} + 2 \, a b f \left (\frac {a}{b}\right )^{\frac {1}{3}}\right )} \arctan \left (\frac {\sqrt {3} {\left (2 \, x - \left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}}{3 \, \left (\frac {a}{b}\right )^{\frac {1}{3}}}\right )}{27 \, a^{2} b^{3}} + \frac {{\left (18 \, a h \left (\frac {a}{b}\right )^{\frac {2}{3}} + b d \left (\frac {a}{b}\right )^{\frac {1}{3}} + 5 \, a g \left (\frac {a}{b}\right )^{\frac {1}{3}} - b c - 2 \, a f\right )} \log \left (x^{2} - x \left (\frac {a}{b}\right )^{\frac {1}{3}} + \left (\frac {a}{b}\right )^{\frac {2}{3}}\right )}{54 \, a b^{3} \left (\frac {a}{b}\right )^{\frac {2}{3}}} + \frac {{\left (9 \, a h \left (\frac {a}{b}\right )^{\frac {2}{3}} - b d \left (\frac {a}{b}\right )^{\frac {1}{3}} - 5 \, a g \left (\frac {a}{b}\right )^{\frac {1}{3}} + b c + 2 \, a f\right )} \log \left (x + \left (\frac {a}{b}\right )^{\frac {1}{3}}\right )}{27 \, a b^{3} \left (\frac {a}{b}\right )^{\frac {2}{3}}} \]
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Time = 0.28 (sec) , antiderivative size = 359, normalized size of antiderivative = 1.10 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3+g x^4+h x^5\right )}{\left (a+b x^3\right )^3} \, dx=\frac {h \log \left ({\left | b x^{3} + a \right |}\right )}{3 \, b^{3}} - \frac {\sqrt {3} {\left (b^{2} c + 2 \, a b f - \left (-a b^{2}\right )^{\frac {1}{3}} b d - 5 \, \left (-a b^{2}\right )^{\frac {1}{3}} a g\right )} \arctan \left (\frac {\sqrt {3} {\left (2 \, x + \left (-\frac {a}{b}\right )^{\frac {1}{3}}\right )}}{3 \, \left (-\frac {a}{b}\right )^{\frac {1}{3}}}\right )}{27 \, \left (-a b^{2}\right )^{\frac {2}{3}} a b^{2}} - \frac {{\left (b^{2} c + 2 \, a b f + \left (-a b^{2}\right )^{\frac {1}{3}} b d + 5 \, \left (-a b^{2}\right )^{\frac {1}{3}} a g\right )} \log \left (x^{2} + x \left (-\frac {a}{b}\right )^{\frac {1}{3}} + \left (-\frac {a}{b}\right )^{\frac {2}{3}}\right )}{54 \, \left (-a b^{2}\right )^{\frac {2}{3}} a b^{2}} + \frac {2 \, {\left (b^{2} d - 4 \, a b g\right )} x^{5} + {\left (b^{2} c - 7 \, a b f\right )} x^{4} - 6 \, {\left (a b e - 2 \, a^{2} h\right )} x^{3} - {\left (a b d + 5 \, a^{2} g\right )} x^{2} - 2 \, {\left (a b c + 2 \, a^{2} f\right )} x - \frac {3 \, {\left (a^{2} b e - 3 \, a^{3} h\right )}}{b}}{18 \, {\left (b x^{3} + a\right )}^{2} a b^{2}} - \frac {{\left (a b^{4} d \left (-\frac {a}{b}\right )^{\frac {1}{3}} + 5 \, a^{2} b^{3} g \left (-\frac {a}{b}\right )^{\frac {1}{3}} + a b^{4} c + 2 \, a^{2} b^{3} f\right )} \left (-\frac {a}{b}\right )^{\frac {1}{3}} \log \left ({\left | x - \left (-\frac {a}{b}\right )^{\frac {1}{3}} \right |}\right )}{27 \, a^{3} b^{5}} \]
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Time = 9.59 (sec) , antiderivative size = 908, normalized size of antiderivative = 2.79 \[ \int \frac {x^3 \left (c+d x+e x^2+f x^3+g x^4+h x^5\right )}{\left (a+b x^3\right )^3} \, dx=\frac {\frac {3\,a^2\,h-a\,b\,e}{6\,b^3}-\frac {x\,\left (b\,c+2\,a\,f\right )}{9\,b^2}-\frac {x^2\,\left (b\,d+5\,a\,g\right )}{18\,b^2}-\frac {x^3\,\left (b\,e-2\,a\,h\right )}{3\,b^2}+\frac {x^4\,\left (b\,c-7\,a\,f\right )}{18\,a\,b}+\frac {x^5\,\left (b\,d-4\,a\,g\right )}{9\,a\,b}}{a^2+2\,a\,b\,x^3+b^2\,x^6}+\left (\sum _{k=1}^3\ln \left (\mathrm {root}\left (19683\,a^5\,b^9\,z^3-19683\,a^5\,b^6\,h\,z^2+810\,a^4\,b^4\,f\,g\,z+405\,a^3\,b^5\,c\,g\,z+162\,a^3\,b^5\,d\,f\,z+81\,a^2\,b^6\,c\,d\,z+6561\,a^5\,b^3\,h^2\,z-270\,a^4\,b\,f\,g\,h-135\,a^3\,b^2\,c\,g\,h-54\,a^3\,b^2\,d\,f\,h-27\,a^2\,b^3\,c\,d\,h-6\,a\,b^4\,c^2\,f+75\,a^3\,b^2\,d\,g^2+15\,a^2\,b^3\,d^2\,g-12\,a^2\,b^3\,c\,f^2-8\,a^3\,b^2\,f^3+125\,a^4\,b\,g^3+a\,b^4\,d^3-729\,a^5\,h^3-b^5\,c^3,z,k\right )\,\left (\mathrm {root}\left (19683\,a^5\,b^9\,z^3-19683\,a^5\,b^6\,h\,z^2+810\,a^4\,b^4\,f\,g\,z+405\,a^3\,b^5\,c\,g\,z+162\,a^3\,b^5\,d\,f\,z+81\,a^2\,b^6\,c\,d\,z+6561\,a^5\,b^3\,h^2\,z-270\,a^4\,b\,f\,g\,h-135\,a^3\,b^2\,c\,g\,h-54\,a^3\,b^2\,d\,f\,h-27\,a^2\,b^3\,c\,d\,h-6\,a\,b^4\,c^2\,f+75\,a^3\,b^2\,d\,g^2+15\,a^2\,b^3\,d^2\,g-12\,a^2\,b^3\,c\,f^2-8\,a^3\,b^2\,f^3+125\,a^4\,b\,g^3+a\,b^4\,d^3-729\,a^5\,h^3-b^5\,c^3,z,k\right )\,a\,b^2\,9-\frac {6\,a\,h}{b}+\frac {x\,\left (54\,f\,a^2\,b^3+27\,c\,a\,b^4\right )}{81\,a^2\,b^3}\right )+\frac {81\,a^3\,h^2+b^3\,c\,d+5\,a\,b^2\,c\,g+2\,a\,b^2\,d\,f+10\,a^2\,b\,f\,g}{81\,a^2\,b^4}+\frac {x\,\left (25\,a^2\,g^2-18\,f\,h\,a^2+10\,a\,b\,d\,g-9\,c\,h\,a\,b+b^2\,d^2\right )}{81\,a^2\,b^3}\right )\,\mathrm {root}\left (19683\,a^5\,b^9\,z^3-19683\,a^5\,b^6\,h\,z^2+810\,a^4\,b^4\,f\,g\,z+405\,a^3\,b^5\,c\,g\,z+162\,a^3\,b^5\,d\,f\,z+81\,a^2\,b^6\,c\,d\,z+6561\,a^5\,b^3\,h^2\,z-270\,a^4\,b\,f\,g\,h-135\,a^3\,b^2\,c\,g\,h-54\,a^3\,b^2\,d\,f\,h-27\,a^2\,b^3\,c\,d\,h-6\,a\,b^4\,c^2\,f+75\,a^3\,b^2\,d\,g^2+15\,a^2\,b^3\,d^2\,g-12\,a^2\,b^3\,c\,f^2-8\,a^3\,b^2\,f^3+125\,a^4\,b\,g^3+a\,b^4\,d^3-729\,a^5\,h^3-b^5\,c^3,z,k\right )\right ) \]
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