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14 April, 10:47

Edna says that when (x - 2) 2 = 9, that x - 2 = 3. Use complete sentences to explain whether Edna is correct. Use specific details in your explanation.

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  1. 14 April, 11:11
    0
    X-2=3 i dont think this si the full answer tho
  2. 14 April, 11:12
    0
    (x-2) ²=9

    sqrt both sides

    don't forget positive and negative roots

    x-2=+/-3

    well, she is partially correct

    x-2=3 is one answer

    she didn't remember the other one the x-2=-3
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