SOLUTION: simplify rational expressions using -1 as a factor x squared -4 over 2-x

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Question 31218: simplify rational expressions using -1 as a factor
x squared -4 over 2-x
Answer by troyapplehelen(46) About Me  (Show Source):
You can put this solution on YOUR website!
(x squared - 4)/(2-x) is {(x+2)(x-2)}/-1(x-2). now, cancel (x-2) on both top and bottom. then, (x+2)/-1, which is -(x+2). answer is -(x+2) or -x-2