SOLUTION: which of the following is equal to the rational expression when x ≠ -1 or -7?
(x+1)(x-1)/(x+7)(x+1)
a.x+1/x+7
b.x+7/x-1
c.x-1/x+7
Algebra ->
Rational-functions
-> SOLUTION: which of the following is equal to the rational expression when x ≠ -1 or -7?
(x+1)(x-1)/(x+7)(x+1)
a.x+1/x+7
b.x+7/x-1
c.x-1/x+7
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Question 145444: which of the following is equal to the rational expression when x ≠ -1 or -7?
(x+1)(x-1)/(x+7)(x+1)
a.x+1/x+7
b.x+7/x-1
c.x-1/x+7 Answer by edjones(8007) (Show Source):