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10 November, 22:33

Edna says that when (x-2) ^2=9

+1
Answers (2)
  1. 10 November, 22:58
    0
    If you are solving for x then it is:

    5, - 1
  2. 10 November, 22:59
    0
    (x-2) 2 = 9 x2 - 4x + 4 = 9 x2 - 4x + 4 - 9 = 9-9 x2 - 4x - 5 = 0 (x+1) (x-5) = 0 x+1 = 0 or x - 5 = 0

    Answer: x = - 1 or x = 5
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