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2 November, 10:45

Rewrite the equation by completing the square.

x^2 + 12x + 36 = 0

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Answers (2)
  1. 2 November, 11:13
    0
    (x+6) ^2 = 0
  2. 2 November, 11:21
    0
    (x+6) ^2 = 0

    Step-by-step explanation:

    x^2 + 12x + 36 = 0

    Subtract 36 from each side

    x^2 + 12x + 36-36 = 0-36

    x^2 + 12x = - 36

    Take the coefficient of x

    12

    Divide by 2

    12/2 = 6

    Square it

    6^2 = 36

    Add this to each side

    x^2 + 12x + 36 = - 36+36

    (x+12/2) ^2 = 0

    (x+6) ^2 = 0
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