Integral of $$$c + \left(x^{3} + 3 x\right)^{5}$$$ with respect to $$$x$$$

The calculator will find the integral/antiderivative of $$$c + \left(x^{3} + 3 x\right)^{5}$$$ with respect to $$$x$$$, with steps shown.

Find $$$\int \left(c + \left(x^{3} + 3 x\right)^{5}\right)\, dx$$$.