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Math Help - expand the given binomial difference.

  1. #1
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    expand the given binomial difference.

    (3x-4)2 ; (4x-3y)2
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  2. #2
    MHF Contributor red_dog's Avatar
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    Use this (a-b)^2=a^2-2ab+b^2 where a=3x, \ b=4
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