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What does it mean to provide closure in terms of rational expressions? For example, how would I explain (x/(x+3) + (x+2/(x+5)?
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http://www.northstarmath.com/sitemap/ClosurePropertyofRealNumbersAddition.html
sounds to me is just a wordy way to saying add the 2 fractions
You dont think I have to mention anything about closure?
nope
I hope you're right. Thanks.
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i agree simplify by adding the fractions
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