SOLUTION: How is adding radical expressions different to adding polynomial expressions?

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Question 474797: How is adding radical expressions different to adding polynomial expressions?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
There's the obvious difference (I hope you can figure this out), but also, adding radical expressions is more general because the radicals could be in the denominator as well. Or, you might have to simplify something like



by rewriting sqrt(12) as 2sqrt(3), something that you might not be doing with polynomial addition.