Mastering Integration by Parts: Solving ∫(2x-1)e^(-x) dx Made Easy

[shivp09]

Homework Statement

∫▒〖(2x-1)e^(-x) 〗 dx



I don't want to butcher this but I know you use integration by parts, I just don't know how to do this one in particular because i is one of the simple ones I was told. Please Help

 

[Char. Limit]

Integration by parts is correct. Let u=2x-1 and dv=e^(-x) dx. What is du? What is v?