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8 January, 04:52

Solve for x

x^2-18x+81=0

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Answers (1)
  1. 8 January, 05:15
    0
    Answer: x=9

    Step-by-step explanation:

    X2-18x+81

    Factors of 81 are - 9 and - 9

    X2-9x-9x+81=0

    X (x-9) - 9 (x-9) = 0

    (X-9) (x-9) = 0

    (X-9) = 0 or (x-9) = 0

    X=0+9

    X=9
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