\[ -a y(x)+x y''(x)-x y'(x)=0 \] ✓ Mathematica : cpu = 0.0349301 (sec), leaf count = 36
\[\left \{\left \{y(x)\to c_2 G_{1,2}^{2,0}\left (-x\left |\begin {array}{c} 1-a \\ 0,1 \\\end {array}\right .\right )+c_1 x \, _1F_1(a+1;2;x)\right \}\right \}\] ✓ Maple : cpu = 0.059 (sec), leaf count = 23
\[\{y \left (x \right ) = \left (c_{1} \KummerM \left (a +1, 2, x\right )+c_{2} \KummerU \left (a +1, 2, x\right )\right ) x\}\]