SOLUTION: Please help simplify and write in lowest terms: 3 sqrt 343

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Question 627663: Please help simplify and write in lowest terms:
3 sqrt 343
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Recommend experimenting dividing 343 by numbers like a 9 or 7 to find a factor that will help to simplify

 3sqrt%28343%29+=+3sqrt%287%2A49%29+=+21sqrt%287%29