\[ x y''(x)-2 (x-1) y'(x)-y(x)=0 \] ✓ Mathematica : cpu = 0.083672 (sec), leaf count = 39
\[\left \{\left \{y(x)\to c_2 G_{1,2}^{2,0}\left (-2 x\left |\begin {array}{c} \frac {1}{2} \\ -1,0 \\\end {array}\right .\right )+c_1 e^x (I_0(x)-I_1(x))\right \}\right \}\]
✓ Maple : cpu = 0.069 (sec), leaf count = 34
\[ \left \{ y \left ( x \right ) = \left ( {\it \_C2}\,{{\sl K}_{1}\left (-x\right )}-{\it \_C2}\,{{\sl K}_{0}\left (-x\right )}+{\it \_C1}\, \left ( {{\sl I}_{0}\left (x\right )}-{{\sl I}_{1}\left (x\right )} \right ) \right ) {{\rm e}^{x}} \right \} \]