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Simplify the following fraction:
((x+2)^2+3(x+2)^2)/(x^2-4)

1 Answer

6 votes

The answer is
(4(x+2))/(x-2). Reason is becasue you simplify it, making it
(4(x+2))/(x-2). How do we get this? Add similar elements of the numerator equation (the numerator on your question), making it
(4(x+2))/(x^2-2). Then x^2 - 4 would be the step, "apply difference of two squares formula," giving us (x+2)(x-2). Now we cancel the common factor, which is x + 2, giving us the answer that I gave you in the first sentence,
(4(x+2))/(x-2).

Hope this helped!

Nate

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User Nosson
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