# Math Help - integrations!

1. ## integrations!

I need help with this integral !

$\int(x+1) e ^{ -5x} dx$

2. Originally Posted by littlesohi
I need help with this integral !

$\int(x+1) e ^{ -5x} dx$
Use integration by parts.

3. Originally Posted by littlesohi
I need help with this integral !

$\int(x+1) e ^{ -5x} dx$
integration by parts ...

$u = x+1$ , $dv = e^{-5x} \, dx$