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Write a standard form of a quadratic equation that has roots - 5/2 and 3.

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  1. 28 July, 15:23
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    2x^2 - x - 15 = 0.

    Step-by-step explanation:

    In factor form this is

    (x + 5/2) (x - 3) = 0

    x^2 + 5/2x - 3x - 15/2 = 0

    x^2 - 1/2x - 15/2 = 0

    Multiply through by 2:

    2x^2 - x - 15 = 0.
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