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Homework Help: Factorizing x^5y^2 + x^2y^5

  1. Mar 2, 2008 #1

    alpha01

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    [SOLVED] factorizing x^5y^2 + x^2y^5

    factorize:


    [tex]x^5y^2 + x^2y^5[/tex]



    3. The attempt at a solution


    I have attempted to use difference of two squares by re-arranging as:


    [tex]x^5y^2 + y^5x^2[/tex]

    but this doesn't get me anywhere
     
    alpha01, Mar 2, 2008
  2. jcsd
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  3. Mar 2, 2008 #2

    Google_Spider

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    Take out common things.
    [tex]x^2y^2(x^3+y^3)[/tex]

    Now use the expansion for [tex](x^3+y^3)[/tex]
     
    Google_Spider, Mar 2, 2008
  4. Mar 2, 2008 #3

    alpha01

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    easy. thanks ;)
     
    alpha01, Mar 2, 2008
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