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13 May, 17:01

X^2-8x-9=0 solve by completing the square

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Answers (2)
  1. 13 May, 17:05
    0
    Answer: (x-9) (x+1), so x=9 and x=-1

    Step-by-step explanation:

    X^2-8x-9=0

    -9 times 1 = - 9 and - 9 plus 1 = - 8

    So (x-9) (x+1)

    X=9, x=-1
  2. 13 May, 17:13
    0
    -1 jfbdjebfbhevdibd djfbd
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