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18 July, 05:40

2x^2 - 3x - 15 = 5 using quadratic equation

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  1. 18 July, 07:23
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    x = 4, 2.5 (or 5/2)

    Step-by-step explanation:

    2x²-3x-15=5

    -5 - 5

    2x²-3x-20=0

    plug into quadratic equation

    (3+13) / 4 (3-13) / 4

    16/4=4 10/4=2.5
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