The general solution of the differential equation $$\frac{dy}{dx} + \frac{2}{x}y = x^2$$ is

A

$$y = cx^{-3} - \frac{x^2}{4}$$

B

$$y = cx^3 - \frac{x^2}{4}$$

C

$$y = cx^2 + \frac{x^3}{5}$$

D

$$y = cx^{-2} + \frac{x^3}{5}$$