# Homework Help: Trouble with this differential equation

1. Jun 4, 2010

### matteo86bo

Hi!
can you help me to solve this differential equation?

$$(x+1)f^{\prime}(x)-xf(x)+c=0$$

c is a constant

2. Jun 4, 2010

### Staff: Mentor

Rewrite the equation as y' - x/(x + 1) = -c/(x + 1) and find an integrating factor. Your text should have some examples of this technique.

BTW, this is NOT a precalculus question.