\[ x^2 y''(x)-(x-1) x y'(x)+(x-1) y(x)=0 \] ✓ Mathematica : cpu = 0.0274959 (sec), leaf count = 37
\[\left \{\left \{y(x)\to \frac {c_2 \left (x^2 \text {Ei}(x)-e^x x-e^x\right )}{2 x}+c_1 x\right \}\right \}\]
✓ Maple : cpu = 0.036 (sec), leaf count = 27
\[ \left \{ y \left ( x \right ) ={\it \_C1}\,x+{\it \_C2}\, \left ( {\frac { \left ( 1+x \right ) {{\rm e}^{x}}}{x}}+{\it Ei} \left ( 1,-x \right ) x \right ) \right \} \]