SOLUTION: simplify/reduce x^2/x^2-4 all minus x+2/x-2

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Question 32292: simplify/reduce
x^2/x^2-4
all minus
x+2/x-2
Answer by mukhopadhyay(490) About Me  (Show Source):
You can put this solution on YOUR website!
[x^2/(x^2-4)] - (x+2)/(x-2)
=x^2/[(x+2)(x-2)] - (x+2)/(x-2)
=[x^2 - (x+2)^2]/[(x+2)(x-2)]
=[x^2 - (x^2+4x+4)]/[(x+2)(x-2)]
=-4(x+1)/[(x+2)(x-2)]