Integral of $$$x \left(2 x^{5} - 3 x\right) e^{3}$$$

The calculator will find the integral/antiderivative of $$$x \left(2 x^{5} - 3 x\right) e^{3}$$$, with steps shown.

Find $$$\int x \left(2 x^{5} - 3 x\right) e^{3}\, dx$$$.

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