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18 August, 00:09

What number must you add to complete the square? x2 + 14x = - 5

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Answers (2)
  1. 18 August, 02:38
    0
    U take half of the x term and square it ... then add to both sides

    14/2 = 7 ... 7^2 = 49 ... so u add 49 to both sides
  2. 18 August, 04:01
    0
    44 is your answer

    x2 + 14x = - 5

    must add 44 to complete the square

    x2 + 14x + 5 + 44

    =x2 + 14x + 49

    = (x+7) ^2
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