Ordinary Differential Equations/Exact 3

$$\begin{align} & \text{Question 1:} \\ & \text{Consider the following equation}: \\ & \frac{dy}{dx}+2y={{x}^{2}}{{e}^{-2x}}+5 \\ \end{align}$$

$$\text{find the general solution of the above equation}$$

hint: using the following: $$y=\frac{\int{{{e}^{\int{P\left( x \right)dx}}}Q\left( x \right)dx}+C}$$