\[ x^2 y'(x)-x^2-x y(x)-y(x)^2=0 \] ✓ Mathematica : cpu = 0.0613242 (sec), leaf count = 13
\[\{\{y(x)\to x \tan (\log (x)+c_1)\}\}\] ✓ Maple : cpu = 0.031 (sec), leaf count = 11
\[ \left \{ y \left ( x \right ) =\tan \left ( \ln \left ( x \right ) +{\it \_C1} \right ) x \right \} \]