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20 votes
20 votes
Simplify the expression:
x+2/ x^2 -4 - (x - 2)

User Alexey Rodionov
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3.4k points

1 Answer

8 votes
8 votes

In order to simplify this expression, we can do the following steps:


\begin{gathered} ((x-2)^2)/(x+2)\colon(x-2)/(x^2-4) \\ =((x-2)^2)/(x+2)\cdot\frac{x^2-4}{x-2_{}} \\ =((x-2)^2)/(x+2)\cdot(\mleft(x+2\mright)\mleft(x-2\mright))/(x-2) \\ =((x-2)^2)/(x+2)\cdot x+2 \\ =(x-2)^2 \end{gathered}

So the correct option is C.

User PvdL
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2.6k points