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9 April, 04:32

Which of the following is equal to the rational expression when x≠5 or - 1?

(x-7) (x + 1)

(x + 1) (x - 5)

+5
Answers (1)
  1. 9 April, 08:15
    0
    Answer: (x-7) / (x-5)

    The (x+1) terms divide and cancel out due to the rule that x/x = 1, when x is nonzero. In that rule, we can replace 'x' with any algebraic expression we want.
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