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Math Help - Algebraic Expansion

  1. #1
    Junior Member
    Joined
    Feb 2008
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    60

    Algebraic Expansion

    Expand and Simplify:

    (x - 1)(x + 3)^2
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  2. #2
    Newbie
    Joined
    Jan 2009
    Posts
    10
    (x-1)(x+3)(x+3)
    =(x-1)(x^2+6x+9)
    =x^3+5x^2+3x-9
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