Integral of $$$\left(- 5 x^{5} + x^{2}\right) e^{- x}$$$

The calculator will find the integral/antiderivative of $$$\left(- 5 x^{5} + x^{2}\right) e^{- x}$$$, with steps shown.

Find $$$\int \left(- 5 x^{5} + x^{2}\right) e^{- x}\, dx$$$.

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