\[ x^2+x y(x) y'(x)+y(x)^2=0 \] ✓ Mathematica : cpu = 0.00984591 (sec), leaf count = 56
\[\left \{\left \{y(x)\to -\frac {\sqrt {2 c_1-x^4}}{\sqrt {2} x}\right \},\left \{y(x)\to \frac {\sqrt {2 c_1-x^4}}{\sqrt {2} x}\right \}\right \}\] ✓ Maple : cpu = 0.023 (sec), leaf count = 39
\[ \left \{ y \left ( x \right ) =-{\frac {1}{2\,x}\sqrt {-2\,{x}^{4}+4\,{\it \_C1}}},y \left ( x \right ) ={\frac {1}{2\,x}\sqrt {-2\,{x}^{4}+4\,{\it \_C1}}} \right \} \]