I'm going over some math work, and ran across the following:(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\frac{2x^2-5x-1}{x^3-2x^2-x+2}=\frac{A}{x-1}+\frac{B}{x+1}+\frac{C}{x-2}[/tex]

How do you get [tex]x^3-2x-x+2=(x-1)(x+1)(x-2)[/tex]?

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Factoring polynomial

**Physics Forums | Science Articles, Homework Help, Discussion**