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7 March, 23:44

Solve the equation.

c2 = 4

+5
Answers (2)
  1. 7 March, 23:57
    0
    + / - 2

    Step-by-step explanation:

    + / - 2 = sqrt (4)

    2*2=4

    sqrt is square root
  2. 8 March, 01:26
    0
    c = ±2

    Step-by-step explanation:

    c^2 = 4

    Take the square root of each side

    sqrt (c^2) = ±sqrt (4)

    c = ±2
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