How do we integrate $(e^x + 2x)^2$?
$$\int (e^{2x}+4xe^x+4x^2)dx=0.5e^{2x}+4/3x^3+\int 4xe^xdx$$
by using the by parts method you can integrate the last term
$$\int (e^{2x}+4xe^x+4x^2)dx=0.5e^{2x}+4/3x^3+\int 4xe^xdx$$
by using the by parts method you can integrate the last term