SOLUTION: using -1 as a factor (divide) x^2-1 ______ = 1-x thanx

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Question 39968: using -1 as a factor (divide)
x^2-1
______ =
1-x


thanx
Answer by fractalier(2101) About Me  (Show Source):
You can put this solution on YOUR website!
From
x^2-1
______ =
1-x
factor the numerator and factor out -1 from the denominator and get
(x+1)(x-1) / (-1)(x-1)
the x-1 cancels leaving
(x+1) / -1 or
-(x+1)