Find the indefinite integral.

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}(8+x+5x^5+e^x)dx$

$8x+\frac{1}{2}{x}^2+\frac{6}{5}{x}^6+e^x+C$

$8x+x^2+\frac{5}{6}{x}^6+e^x+C$

$8x+\frac{1}{2}{x}^2+\frac{5}{6}{x}^6+e^x+C$

$8x+\frac{1}{2}{x}^2+\frac{5}{6}{x}^6+x{e}^x+C$