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13 October, 10:09

Solve the equation using square roots: 2x²-17 = 15

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  1. 13 October, 10:32
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    2x² - 17 = 15

    2x² = 15 + 17

    2x² = 32

    x² = 32/2

    x² = 16

    x = ±√16

    x' = 4

    x'' = - 4
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