\[ x y'(x)^2-2 y(x) y'(x)-x=0 \] ✓ Mathematica : cpu = 0.0318624 (sec), leaf count = 27
\[\left \{\left \{y(x)\to x \sinh \left (c_1-\log (x)\right )\right \},\left \{y(x)\to x \sinh \left (c_1+\log (x)\right )\right \}\right \}\]
✓ Maple : cpu = 0.057 (sec), leaf count = 32
\[ \left \{ y \left ( x \right ) =-ix,y \left ( x \right ) =ix,y \left ( x \right ) =-{\frac {{{\it \_C1}}^{2}-{x}^{2}}{2\,{\it \_C1}}} \right \} \]