✓ Mathematica : cpu = 0.0230958 (sec), leaf count = 25
DSolve[y[x] - (-1 + x)*Derivative[1][y][x] + x*(1 + x)*Derivative[2][y][x] == 0,y[x],x]
✓ Maple : cpu = 0.036 (sec), leaf count = 20
dsolve(x*(1+x)*diff(diff(y(x),x),x)-(x-1)*diff(y(x),x)+y(x)=0,y(x))