\[ -a x^2+x^2 y''(x)+x y'(x)-y(x)=0 \] ✓ Mathematica : cpu = 0.0059742 (sec), leaf count = 24
\[\left \{\left \{y(x)\to \frac {a x^2}{3}+c_2 x+\frac {c_1}{x}\right \}\right \}\] ✓ Maple : cpu = 0.015 (sec), leaf count = 19
\[y \relax (x ) = x c_{2}+\frac {a \,x^{2}}{3}+\frac {c_{1}}{x}\]