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24 June, 19:49

Find the solution to the equation below? x^2-4=0

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Answers (2)
  1. 24 June, 20:42
    0
    2 and - 2
  2. 24 June, 21:40
    0
    x=±2

    Step-by-step explanation:

    x^2-4=0

    Add 4 to each side

    x^2-4+4=0 +4

    x^2 = 4

    Take the square root of each side

    sqrt (x^2) = sqrt (4)

    x=±2
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