# Simple Limit Problem need help

1. Sep 7, 2008

### Squiller

I cant seem to figure this out, its very simple. Im just unsure as to how to o about it. Could someone please solve it, showing the method. No calculator either. thanks

Lim as x-> -2 ; (x+2) / (x3+8)

2. Sep 7, 2008

### Redbelly98

Staff Emeritus
Problems like this usually involve factoring the polynomials involved. Try doing that.

3. Sep 7, 2008

### sutupidmath

yeah, like already said, you need to factor the denominator. I assume you are familiar with the sum of cubes:

$$a^3+b^3=(a+b)(a^2-ab+b^2)$$ this is all you need to factor the denominator.