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28 March, 18:45

Solve for x.

x2 - 49 = 0

A) 0

B) ±49

C) ±49i

D) ±7

+4
Answers (2)
  1. 28 March, 20:50
    0
    The correct answer is D.
  2. 28 March, 22:02
    0
    D

    Step-by-step explanation:

    x^2=49 - > 7

    x^2=-49 - > - 7

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