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8 February, 04:21

What are the solutions to this equation?

7x2 - 28 = 0

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Answers (1)
  1. 8 February, 05:50
    0
    x = 2 or x = - 2

    Step-by-step explanation:

    7x^2 - 28 = 0

    7x^2 = 28

    x^2 = 28/7 = 4

    x = root (4) or x = - root (4)

    x = 2 or x = - 2
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