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9 September, 00:41

Find the excluded value (s) of x in the rational expression f (x) = x^2+7x / x^+14x+49

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Answers (2)
  1. 9 September, 01:25
    0
    x ≠ - 7

    Step-by-step explanation:

    x^2+7x / x^2+14x+49

    x (x+7) / (x+7) (x+7)

    x / (x+7)
  2. 9 September, 04:15
    0
    x = - 7
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