\[ x^2 y^{(3)}(x)+6 x y''(x)+6 y'(x)=0 \] ✓ Mathematica : cpu = 0.0191062 (sec), leaf count = 24
\[\left \{\left \{y(x)\to -\frac {c_2}{2 x^2}-\frac {c_1}{x}+c_3\right \}\right \}\]
✓ Maple : cpu = 0.014 (sec), leaf count = 16
\[ \left \{ y \left ( x \right ) ={\it \_C1}+{\frac {{\it \_C2}}{x}}+{\frac {{\it \_C3}}{{x}^{2}}} \right \} \]