4.3.2 x3+y(x)=xx4+4y(x)

ODE
x3+y(x)=xx4+4y(x) ODE Classification

[[_1st_order, _with_linear_symmetries]]

Book solution method
Homogeneous equation, isobaric equation

Mathematica
cpu = 0.0737663 (sec), leaf count = 25

{{y(x)2e2c1(2e2c1+x2)}}

Maple
cpu = 0.072 (sec), leaf count = 47

{1((_C1+y(x))x4+4y(x)x2(_C1+y(x)))(x2+x4+4y(x))1=0} Mathematica raw input

DSolve[x^3 + y'[x] == x*Sqrt[x^4 + 4*y[x]],y[x],x]

Mathematica raw output

{{y[x] -> 2*E^(2*C[1])*(2*E^(2*C[1]) + x^2)}}

Maple raw input

dsolve(diff(y(x),x)+x^3 = x*(x^4+4*y(x))^(1/2), y(x),'implicit')

Maple raw output

((-_C1+y(x))*(x^4+4*y(x))^(1/2)-x^2*(_C1+y(x)))/(x^2+(x^4+4*y(x))^(1/2)) = 0