\[ y'(x)=\frac {-x^3+2 x^2-8 x y(x)-8 x+32}{4 x^2+32 y(x)-8 x+32} \] ✓ Mathematica : cpu = 0.0248566 (sec), leaf count = 38
\[\left \{\left \{y(x)\to \frac {1}{8} \left (-x^2+2 x-8\right )+4 \left (1+W\left (-e^{-\frac {x}{16}-1+c_1}\right )\right )\right \}\right \}\] ✓ Maple : cpu = 0.211 (sec), leaf count = 26
\[ \left \{ y \left ( x \right ) =-{\frac {{x}^{2}}{8}}+4\,{\it lambertW} \left ( 1/4\,{\it \_C1}\,{{\rm e}^{-x/16}}{{\rm e}^{-3/4}} \right ) +{\frac {x}{4}}+3 \right \} \]