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Mathematics 21 Online
OpenStudy (anonymous):

Which choice is equivalent to the rational expression below when x -2 or -1? Question x^2-4 / (x+2)(x+1) Answers: A.) x-2 / x+1 B.) x+2 / x+1 C.) x^2 / x-2 D.) x+3 / x+1

OpenStudy (anonymous):

First factor the numerator x^2 - 4

OpenStudy (asnaseer):

Are you sure you have stated the question correctly? It would make more sense if it said "when x is NOT -2 or -1"

OpenStudy (anonymous):

Yes it's right. I copied and pasted it. @navk how'd you get that? Is that the answer

OpenStudy (anonymous):

No. Try factoring the numerator x^2 - 4 by using the formula a^2 - b^2 = (a + b)(a - b)

OpenStudy (anonymous):

@AshleeNoelle16 did you get it?

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