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1 November, 14:16

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

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  1. 1 November, 15:50
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    2x^2 - 17 = 15

    add 17 on both side

    2x^2 = 32

    divide both sides by 2

    x^2 = 16

    take the square root of both sides

    x = sqrt (16)

    x = + -4

    Answer: - 4,4
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