\[ y'(x)=\frac {x^6-6 x^5+24 x^4 y(x)+12 x^4-96 x^3 y(x)-24 x^3+192 x^2 y(x)^2+96 x^2 y(x)+32 x^2-384 x y(x)^2-128 x y(x)+512 y(x)^3-128 x}{64 x^2+512 y(x)-128 x+512} \] ✓ Mathematica : cpu = 0.42759 (sec), leaf count = 1
\[\{\}\]
✓ Maple : cpu = 0.057 (sec), leaf count = 40
\[ \left \{ y \left ( x \right ) =-{\frac {{x}^{2}}{8}}+{\frac {x}{4}}+{\it RootOf} \left ( -x+\int ^{{\it \_Z}}\!4\,{\frac {{\it \_a}+1}{4\,{{\it \_a}}^{3}-{\it \_a}-1}}{d{\it \_a}}+{\it \_C1} \right ) \right \} \]