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13 April, 17:27

If using the method of completing the square to solve the quadratic equation

x² - 15x - 23 = 0, which number would have to be added to "complete the

square?

+2
Answers (1)
  1. 13 April, 17:50
    0
    225/4

    Step-by-step explanation:

    x² - 15x - 23 = 0

    To complete the square

    We take to coefficient of the x term

    -15

    divide by 2

    -15/2

    Square it

    225/4

    Add it to each term
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