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Posted by on Thursday, May 21, 2009 at 9:31pm.

Is it possible to factor 2w-1-w^3? If so, how?

  • Math - , Thursday, May 21, 2009 at 11:35pm

    yes

    let f(w) = -w^3 + 2w - 1
    = -(w^3 - 2w + 1)

    f(1) = -(1-2+1) = 0
    so w-1 is a factor

    using synthetic division I go

    -(w^3 - 2w + 1)
    = -(w-1)(w^2+w-1)

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