xe^x using integration by parts
u = x : du = dx
dv = e^x dx : v = e^x
∫u dv = uv - ∫v du
= xe^x - ∫e^x dx
I expect you can take it from there.
dv = e^x dx : v = e^x
∫u dv = uv - ∫v du
= xe^x - ∫e^x dx
I expect you can take it from there.