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Simple Limit Problem need help

  1. Sep 7, 2008 #1
    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. jcsd
  3. Sep 7, 2008 #2

    Redbelly98

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    Problems like this usually involve factoring the polynomials involved. Try doing that.
     
  4. Sep 7, 2008 #3
    yeah, like already said, you need to factor the denominator. I assume you are familiar with the sum of cubes:

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