Ordinary Differential Equations/Exact 3

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\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}{{{e}^{\int{P\left( x \right)dx}}}}