Can anyone help in solving the following problem: $x \frac{d^{2}y}{dx^{2}} -(1+x) \cdot \frac{dy}{dx} + y = x^{2}\cdot e^{x}$
I have gone through some methods where i reduce this to the standard form of y" + Py' + Qy = f(x) but didn't get how to solve this problem.