\[ y(x) (a x+b)+y''(x)=0 \] ✓ Mathematica : cpu = 0.00706392 (sec), leaf count = 46
\[\left \{\left \{y(x)\to c_1 \text {Ai}\left (\frac {-b-a x}{(-a)^{2/3}}\right )+c_2 \text {Bi}\left (\frac {-b-a x}{(-a)^{2/3}}\right )\right \}\right \}\]
✓ Maple : cpu = 0.039 (sec), leaf count = 31
\[ \left \{ y \left ( x \right ) ={\it \_C1}\,{{\rm Ai}\left (-{(ax+b){a}^{-{\frac {2}{3}}}}\right )}+{\it \_C2}\,{{\rm Bi}\left (-{(ax+b){a}^{-{\frac {2}{3}}}}\right )} \right \} \]