\[ x^2 y'(x)-x^2-x y(x)-y(x)^2=0 \] ✓ Mathematica : cpu = 0.124071 (sec), leaf count = 13
\[\{\{y(x)\to x \tan (\log (x)+c_1)\}\}\] ✓ Maple : cpu = 0.034 (sec), leaf count = 11
\[\{y \left (x \right ) = x \tan \left (c_{1}+\ln \left (x \right )\right )\}\]