Answer:
The factorized expression is
[tex]1 + x[/tex]
Step-by-step explanation:
The first step to solve this problem is knowing that:
[tex](f(x))^{-1} = \frac{1}{f(x)}[/tex]
So
[tex](xe^{-x})^{-1} + e^{x}[/tex]
[tex]\frac{1}{xe^{-x}} + e^{x}[/tex]
[tex]xe^{-x}(\frac{1}{xe^{-x}} + e^{x})[/tex]
[tex]1 + x[/tex]
The factorized expression is
[tex]1 + x[/tex]