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29 August, 02:48

Solve by square root method:

2x^2 - 10 = 132

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Answers (1)
  1. 29 August, 03:07
    0
    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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