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Math Help - squaring sums, expand the given binomial sum.

  1. #1
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    squaring sums, expand the given binomial sum.

    (x+6)2 ; (4x+5y)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=x, \ b=6 or a=4x, \ b=5y
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