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Math Help - verifying answers for polynomials

  1. #16
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    Okay, how about this one: completely factor 7 (x-y) - z(x-y) Is it (x-y) (7-z) ?
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  2. #17
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    Quote Originally Posted by jay1 View Post
    Okay, how about this one: completely factor 7 (x-y) - z(x-y) Is it (x-y) (7-z) ?
    There is a common factor. It is (x-y). So your answer is (x-y) (7-z).

    Good job again.
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