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college algebra

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x^3+4x^2-2x-3 ; x+1 factor theorum to decide whether or not second polynomial is a factor of the first.

  • college algebra - ,

    evaluate f(x) at x = -1
    f(-1) = -1+4+2-3 = 2
    it's not zero, so (x+1) is not a factor of f(x)

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