Solve by square root method: 2x^2 – 10 = 132

Question

Solve by square root method:
2x^2 – 10 = 132

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Answers ( No )

    0
    2021-09-06T09:48:49+00:00

    2x^2 – 10 = 132

    add 10 to each side

    2x^2 = 142

    divide by 2

    x^2 = 71

    take the square root of each side

    x = +- sqrt (71)

    x =sqrt(71), -sqrt(71)

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