# Algebra

What is the difference in simplest form?

(n^2+3n+2)/(n^2+5n+6)-2n/(n+3)

A. (1-n)/(n+3)
B. 1/(n+3)
C. (n+1)/(n+3)
D. (n-1)/(n+3)

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1. I'm not very good at math, but I feels as though C would be your best bet. Don't choose this answer if you don'y feel comfortable with it. I don't want to give anybody wrong answers to where they fail. Good Luck! :)

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2. (n^2+3n+2)/(n^2+5n+6) - 2n/(n+3)
= (n+2)(n+1)/( (n+3)(n+2)) - 2n/(n+3)
= (n+1)/(n+3) - 2n/(n+3) , now you have a common denominator
= (n+1 - 2n)/(n+3)
= (1 - n)/(n+3) , n ≠ -3,-2

@Spring Allergies, statements such as "I'm not very good at math, but I feels as though C would be your best bet" serve absolutely no purpose and do not help at all.
If you don't know what you are doing, please don't answer any student's questions.
Math is not a subject where you "feel" for correct answers.

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posted by Reiny
3. Roasted

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posted by Beast

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