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alanna

  • 5 years ago

x^2+6x+8/x^2-16 simplify. I have the answer but I need to know how to do this

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  1. amistre64
    • 5 years ago
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    you solve it by factoring the expressions and simplifying

  2. amistre64
    • 5 years ago
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    there are some techniques you can use, but you need to be able to understand what is at work underneath it all

  3. amistre64
    • 5 years ago
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    lets start with something simple: (x-2) (x+2) can you multiply these together for me?

  4. alanna
    • 5 years ago
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    x^2+ 2x-2x-4?

  5. alanna
    • 5 years ago
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    ok, I got it!

  6. alanna
    • 5 years ago
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    i know how to factor expressions, thanks!

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