\[ \left (a x^2+b x\right ) y''(x)-2 a y(x)+2 b y'(x)=0 \] ✓ Mathematica : cpu = 0.0258393 (sec), leaf count = 31
\[\left \{\left \{y(x)\to \frac {c_2 (a x+b)^3}{3 a x}+\frac {c_1}{x}\right \}\right \}\] ✓ Maple : cpu = 0.02 (sec), leaf count = 19
\[\left \{y \left (x \right ) = \frac {c_{1}+c_{2} \left (a x +b \right )^{3}}{x}\right \}\]