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Math Help - Factoring trinomials

  1. #1
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    Factoring trinomials

    Factor trinomial completely

    2x^3y^3 - 40x^2y^4 + 200xy^5

    i got 2xy^2(x^2-20xy^2+100y^3)

    any input is appreciated
    Last edited by mr fantastic; September 21st 2009 at 03:32 PM. Reason: Merged posts
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  2. #2
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    Quote Originally Posted by timberland28 View Post
    i got 2xy^2(x^2-20xy^2+100y^3)

    any input is appreciated
    Incorrect.

    Note that 2xy^3 is a common factor of 2x^3y^3 - 40x^2y^4 + 200xy^5.
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  3. #3
    MHF Contributor Calculus26's Avatar
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    2xy^2(x^2y-20xy^2+100y^3) = 2xy^3(x^2- 20xy +100y^2)

    = 2xy^3(x-10y)^2
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