\[ x^2 y'(x)^2+4 x y(x) y'(x)-5 y(x)^2=0 \] ✓ Mathematica : cpu = 0.00705053 (sec), leaf count = 19
\[\left \{\left \{y(x)\to \frac {c_1}{x^5}\right \},\left \{y(x)\to c_1 x\right \}\right \}\]
✓ Maple : cpu = 0.037 (sec), leaf count = 15
\[ \left \{ y \left ( x \right ) ={\frac {{\it \_C1}}{{x}^{5}}},y \left ( x \right ) ={\it \_C1}\,x \right \} \]