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Math Help - Factoring Problem.

  1. #1
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    Factoring Problem.

    Doing a problem out of my book and not getting it right. Trying to figure out where I am going wrong.

    The question is:
    13(x-11)^2(x+7)^4+(x-11)^3(2)(x+7)^3

    So the steps I have came up with. Where am I going wrong?

    (x-11)^2(x+7)^3(13(x+7)+2(x-11)

    Next Step

    (x-11)^2(x+7)^3(13x+91)+(2x-22)

    Next Step

    (x-11)^2(x+7)^3(15x+69)
    For a final answer.
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  2. #2
    MHF Contributor
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    Re: Factoring Problem.

    Quote Originally Posted by sjgerman View Post
    Doing a problem out of my book and not getting it right. Trying to figure out where I am going wrong.

    The question is:
    13(x-11)^2(x+7)^4+(x-11)^3(2)(x+7)^3

    So the steps I have came up with. Where am I going wrong?

    (x-11)^2(x+7)^3[13(x+7)+2(x-11)]

    Next Step

    (x-11)^2(x+7)^3[(13x+91) + (2x-22)]

    Next Step

    (x-11)^2(x+7)^3(15x+69)

    For a final answer.
    who sez it's incorrect? you've left of some grouping symbols (fixed), but your final factorization is fine.
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  3. #3
    Newbie
    Joined
    Mar 2011
    Posts
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    Re: Factoring Problem.

    The webassign practice thing that we have to submit all practice and homework questions to. I finished my homework but doing practice questions for a quiz tomorrow and it was flagging this as a incorrect answer. Blasted thing. Thank you.
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