\[ y''(x)-x y'(x)+(x-1) y(x)=0 \] ✓ Mathematica : cpu = 0.0373293 (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 = 0.014 (sec), leaf count = 21
\[ \left \{ y \left ( x \right ) ={{\rm e}^{x}} \left ( {\it Erf} \left ( {\frac {i}{2}}\sqrt {2} \left ( x-2 \right ) \right ) {\it \_C1}+{\it \_C2} \right ) \right \} \]