Hi there, I'm hoping someone can help me out. My textbook gives 1 example of this then the exercise gives a more complicated one so I'm not sure how to do it. Here goes..

$\displaystyle \int (2x+1)e^{x^2+x} = \int_{0}^{x}e^{t^2+t} dt + ce^{-x^2-x}$ ?

Thanks!