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22 July, 02:34

Solve the equation (x+7) ^2=36

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Answers (2)
  1. 22 July, 05:24
    0
    1) Get rid of the square. You have to square root both sides.

    2) Subtract 7 from both sides.

    3) x = - 1
  2. 22 July, 06:32
    0
    (x+7) ^2=36

    (x+7) (x+7) = 36

    x^2+14x+49=36

    x^2+14x+13=0

    (x+13) (x+1) = 0

    .°. x=-13 / x=-1

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