\[ x^2 y'(x)-x y(x)-y(x)^2=0 \] ✓ Mathematica : cpu = 0.0653976 (sec), leaf count = 16
\[\left \{\left \{y(x)\to \frac {x}{c_1-\log (x)}\right \}\right \}\] ✓ Maple : cpu = 0.012 (sec), leaf count = 14
\[ \left \{ y \left ( x \right ) ={\frac {x}{-\ln \left ( x \right ) +{\it \_C1}}} \right \} \]