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24 December, 09:42

X^2-16=? Khan avademy

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Answers (2)
  1. 24 December, 09:48
    0
    X^2-16=0

    x^2=16

    square root of x^2 = x

    square root of 16=4

    x=4
  2. 24 December, 09:54
    0
    Depends on what the X is
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