\[ -a x^2+x^2 y''(x)+x y'(x)-y(x)=0 \] ✓ Mathematica : cpu = 0.0065729 (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 = 0.131 (sec), leaf count = 19
\[ \left \{ y \left ( x \right ) =x{\it \_C2}+{\frac {a{x}^{2}}{3}}+{\frac {{\it \_C1}}{x}} \right \} \]