\[ y''(x)-x y'(x)+(x-1) y(x)=0 \] ✓ Mathematica : cpu = 0.0370513 (sec), leaf count = 39
\[\left \{\left \{y(x)\to \sqrt {\frac {\pi }{2}} c_2 e^{x-2} \text {erfi}\left (\frac {x-2}{\sqrt {2}}\right )+c_1 e^x\right \}\right \}\] ✓ Maple : cpu = 0.015 (sec), leaf count = 21
\[y \relax (x ) = {\mathrm e}^{x} \left (\erf \left (\frac {i \sqrt {2}\, \left (x -2\right )}{2}\right ) c_{1}+c_{2}\right )\]