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25 January, 07:07

What is a polynomial function in standard form with the zeros 1,2,-2 and - 3

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  1. 25 January, 07:33
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    x^4 + 2x^3 - 7x^2 - 8x + 12.

    Step-by-step explanation:

    In factor form this is (x - 1) (x - 2) (x + 2) (x + 3)

    = (x^2 - 3x + 2) (x^2 + 5x + 6)

    = x^4 + 5x^3 + 6x^2 - 3x^3 - 15x^2 - 18x + 2x^2 + 10x + 12

    = x^4 + 2x^3 - 7x^2 - 8x + 12.
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