\[ \left (a x^2+b x\right ) y''(x)-2 a y(x)+2 b y'(x)=0 \] ✓ Mathematica : cpu = 0.0247093 (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 = 0.044 (sec), leaf count = 19
\[ \left \{ y \left ( x \right ) ={\frac {{\it \_C1}+{\it \_C2}\, \left ( ax+b \right ) ^{3}}{x}} \right \} \]