\[ y''(x)=\frac {y(x)}{x^5}-\frac {y'(x)}{x^4} \] ✓ Mathematica : cpu = 0.0533522 (sec), leaf count = 38
\[\left \{\left \{y(x)\to \frac {c_2 \Gamma \left (\frac {1}{3},-\frac {1}{3 x^3}\right )}{3^{2/3} \sqrt [3]{-\frac {1}{x^3}}}+c_1 x\right \}\right \}\]
✓ Maple : cpu = 0.081 (sec), leaf count = 30
\[ \left \{ y \left ( x \right ) =-{\frac {x}{2} \left ( 3\,{\it \_C2}\,\Gamma \left ( 1/3,-1/3\,{x}^{-3} \right ) \Gamma \left ( 2/3 \right ) -2\,{\it \_C2}\,\sqrt {3}\pi -2\,{\it \_C1} \right ) } \right \} \]