How do you integrate 2πxe^{-4x}?

[alicia.kostka]

Homework Statement

can someone please tell me how to integrate 2$$\pi$$xe$$^{-4x}$$

Homework Equations

(the Pi is not supposed to be superscript, don't know why it looks that way)

The Attempt at a Solution

 

[vela]

Use integration by parts.