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27 November, 12:51

What are the solutions to the equation (x - 21) 2 = 25?

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Answers (2)
  1. 27 November, 13:07
    0
    x=33.5

    Step-by-step explanation:

    (x - 21) 2 = 25

    2x-42=25

    2x=67

    x=33.5
  2. 27 November, 14:55
    0
    Answer:x=7 x=-3

    Step-by-step explanation:

    (x-2) ^2=25

    Take the Square root of both sides

    (x-2) = ±√ (25)

    x-2=±5

    x=2±5

    x=2+5 or x=2-5

    x=7 or x=-3
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