If using the method of completing the square to solve the quadratic equation x2 + 3x +9 = 0, which number would have to be added to “c

Question

If using the method of completing the square to solve the quadratic equation
x2 + 3x +9 = 0, which number would have to be added to “complete the square”?

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Thạch Thảo 5 years 2021-07-30T08:31:52+00:00 1 Answers 15 views 0

Answers ( )

    0
    2021-07-30T08:33:02+00:00

    Answer:

    0.555

    Step-by-step explanation:

    you simply follow the linear equation rule and fill in

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