The question is asking us to simplify the given expression.

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Beginning with the numerator, if we extract (-4)

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     (-4)( 1 + x )

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Next, examining the denominator. The first thing you want to do is try to separate this into

 

(x+/-A) * (x+/-B)

 

Just from repetition, personally, I know we can land a -x with a -2 when we use:

 

(x - 2) * (x + 1)

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Which is what we want! You see we extracted a (1+x) from both the top and bottom of the fraction. So we can cancel that out.

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(-4)/(x-2)

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Is what we have to work with now!