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14 February, 05:24

X2 + 12 = 48

A. 36, - 36

B. 6,-6

C. 18,-18

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Answers (1)
  1. 14 February, 06:46
    0
    B. 6,-6

    Step-by-step explanation:

    X^2 + 12 = 48

    Subtract 12 from each side

    X^2 + 12-12 = 48-12

    X^2 = 36

    Take the square root of each side

    sqrt (X^2) = sqrt (36)

    X = ±6
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