\[ y''(x)+x y'(x)-y(x)=0 \] ✓ Mathematica : cpu = 0.0456886 (sec), leaf count = 45
\[\left \{\left \{y(x)\to -\sqrt {\frac {\pi }{2}} c_2 x \text {erf}\left (\frac {x}{\sqrt {2}}\right )-c_2 e^{-\frac {x^2}{2}}+c_1 x\right \}\right \}\]
✓ Maple : cpu = 0.086 (sec), leaf count = 34
\[ \left \{ y \left ( x \right ) =-{\it \_C2}\,{{\rm e}^{-{\frac {{x}^{2}}{2}}}}+ \left ( -{\frac {{\it \_C2}\,\sqrt {\pi }\sqrt {2}}{2}{\it Erf} \left ( {\frac {\sqrt {2}x}{2}} \right ) }+{\it \_C1} \right ) x \right \} \]