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Math Help - Factoring

  1. #1
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    Joined
    Sep 2007
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    Factoring

    My factoring skills are very rusty and I can't remember what to do exactly, I know what the GCF is (a+b), but can't figure out where to take it.

    (a+b)+a(a-b)-b(a+b)

    Thanks for any help...An explanation would be greatly appreciated.
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  2. #2
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    Sep 2007
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    Opps

    its (a+b)+a(a+b)-b(a+b)
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  3. #3
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    Sep 2007
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    Would this be right?

    (a+b)(1+a-b)
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  4. #4
    Super Member

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    Lexington, MA (USA)
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    Hello, Andy!

    Right!

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