SOLUTION: Simply the rational expression: x^2-6x-7 / x^2-1

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Question 63220This question is from textbook intermediate algebra
: Simply the rational expression:
x^2-6x-7 / x^2-1 This question is from textbook intermediate algebra

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
[x^2-6x-7] /[ x^2-1]
Factor where you can to get:
[(x-7)(x+1)]/[(x-1)(x+1)]
Cancel where you can to get:
(x-7)/(x-1)
Cheers,
Stan H.