\[ x y'(x)-y(x) \left (x \log \left (\frac {x^2}{y(x)}\right )+2\right )=0 \] ✓ Mathematica : cpu = 0.1124 (sec), leaf count = 20
\[\left \{\left \{y(x)\to x^2 e^{-2 c_1 e^{-x}}\right \}\right \}\] ✓ Maple : cpu = 0.18 (sec), leaf count = 17
\[y \relax (x ) = x^{2} {\mathrm e}^{-{\mathrm e}^{-x} c_{1}}\]