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18 July, 14:33

What are the zeros of the quadratic function? f (x) = 3x2-3x-18

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  1. 18 July, 14:42
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    x = - 2 and x = 3

    to find the zeros set f (x) = 0

    3x² - 3x - 18 = 0

    divide through by 3

    x² - x - 6 = 0

    (x - 3) (x + 2) = 0 ⇒ x = - 2 and x = 3 are the zeros
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