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.

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