SOLUTION: Rational Expressions using -1 as a factor How do I solve 4-xsquared over x+2

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Question 31216: Rational Expressions using -1 as a factor
How do I solve 4-xsquared over x+2
Answer by troyapplehelen(46) About Me  (Show Source):
You can put this solution on YOUR website!
(4-xsquared)/(x+2) is -(xsquared -4)/(x+2) then, -{(x+2)(x-2)}/(x+2)
now cancel (x+2) on both top and bottom. then, -(x-2)/1 which is -(x-2).
the answer is either -(x-2) or -x+2 or 2-x.