✓ Mathematica : cpu = 0.0162399 (sec), leaf count = 34
DSolve[y[x] + (2 + 3*x)*Derivative[1][y][x] + x*(1 + x)*Derivative[2][y][x] == 0,y[x],x]
✓ Maple : cpu = 0.009 (sec), leaf count = 16
dsolve(x*(1+x)*diff(diff(y(x),x),x)+(3*x+2)*diff(y(x),x)+y(x)=0,y(x))