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    Math Man's Avatar
    Math Man Posts: 1, Reputation: 1
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    #1

    Feb 26, 2007, 01:51 AM
    I need to find out how to multiply out algebra
    a) -(3x-2b)(3x+2b)

    b) (x+2)(x-3)(x+7)
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Feb 26, 2007, 02:07 AM
    Just mutiply out each pair of terms that are in separate brackets.



    for the three term one, just multiply it out in stages:



    Then you can collect similar terms and simplify.

    Hope this helps. Let me know if you are still not following.
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