SOLUTION: How do you do this radical : 7 (square root thing) 72?

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Question 753477: How do you do this radical : 7 (square root thing) 72?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
7 (square root thing) 72?
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7sqrt(72)
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= 7sqrt(36*2)
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= 7*6sqrt(2)
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= 42sqrt(2)
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Cheers,
Stan H.