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3 November, 08:12

What are the solutions to the quadratic equation 4x^2 = 64?

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Answers (2)
  1. 3 November, 10:31
    0
    Answer: 4x^{2} = 64

    x^{2} = 16

    x = / sqrt{16}

    The square root of 16 is either positive four or negative four.
  2. 3 November, 11:25
    0
    x = 4 or x = - 4

    Step-by-step explanation:

    4x² = 64

    4x² - 64 = 0

    (2x + 8) (2x - 8) = 0

    x = ± 4
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