\[ x^2 y''(x)-6 y(x)=0 \] ✓ Mathematica : cpu = 0.0247887 (sec), leaf count = 18
\[\left \{\left \{y(x)\to c_1 x^3+\frac {c_2}{x^2}\right \}\right \}\]
✓ Maple : cpu = 0.006 (sec), leaf count = 15
\[ \left \{ y \left ( x \right ) ={\frac {{\it \_C1}}{{x}^{2}}}+{\it \_C2}\,{x}^{3} \right \} \]