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Math Help - What do I do to simplify this polynomial?

  1. #1
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    What do I do to simplify this polynomial?

    4x^4-4x^2+1.

    How do I simplify this one?
    What really throws me is the whole +1 thing.
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by quikwerk View Post
    4x^4-4x^2+1.

    How do I simplify this one?
    What really throws me is the whole +1 thing.
    Hi quikwerk,

    4x^4-4x^2+1

    You might see if better if we

    Let u=x^2

    4u^2-4u+1=(2u-1)(2u-1) \Longrightarrow (2x^2-1)(2x^2-1)=(2x-1)^2
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  3. #3
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    How do I simplify these polynomial fractions?

    thanks!
    That really helps! I think I see how that question works now!
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