SOLUTION: Simplify by removing factors of 1 x^2-1/1-x

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Question 158925: Simplify by removing factors of 1
x^2-1/1-x
Answer by KnightOwlTutor(293) About Me  (Show Source):
You can put this solution on YOUR website!
x^2-1 can be factored into (x+1)(x-1)
in order to get 1-X to look like x-1 you need to factor out a -1
therefore (x+1)(x-1)/-(x-1) Cancel out the (x-1)and get -(x+1)as the final answer.