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Simple polynomial

  1. May 23, 2008 #1
    1. Factorize (a-b)^3 + (a+b)^3

    2. Attempt of solution are involving cyclic or/and homogeneous polynomials

    I want to understand this clearly, can anyone explain this? The answer is 2a(a^2+3b^2)
  2. jcsd
  3. May 23, 2008 #2


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    Try expanding (a+b)^3 and (a-b)^3 and the simplifying, then factorizing.
  4. May 24, 2008 #3


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    What kind of explanation are you asking for?
  5. May 24, 2008 #4
    Oh, nevermind, and thanks
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