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22 August, 09:13

Correctly complete the square for the equation below

x^2 + 18x = 0

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Answers (1)
  1. 22 August, 11:46
    0
    X^2 + 18x = 0

    (x^2 + 18x + 81) = 0

    (x + 9) ^2 = 81

    x + 9 = + / - squareroot81

    x = 0, and - 18
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