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28 June, 04:29

Determine if the given x value is a zero of f (x) = x^4+3x^3-6x^2+3; x=-2

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  1. 28 June, 04:57
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    Plug in - 2 for x and evaluate.

    f (-2) = (-2) ^4 + 3 (-2) ^3 - 6 (-2) ^2 + 3

    f (-2) = 16 - 24 - 24 + 3

    f (-2) = - 29

    -2 is not a zero of the polynomial.
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