# Math Help - Partial fraction decomposition:

1. ## Partial fraction decomposition:

$\frac{9x^2+x-1}{x^2*(x+1)}$

2. Originally Posted by Selim
$\frac{9x^2+x-1}{x^2*(x+1)}$
You would need to set it up as

$\frac{A}{x} + \frac{Bx + C}{x^2} + \frac{D}{x + 1} = \frac{9x^2 + x - 1}{x^2(x + 1)}$.