SOLUTION: Please help me with this problem. 2(sqrt(128) - sqrt(18) + (4)sqrt(32). Thank you.
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Question 323020: Please help me with this problem. 2(sqrt(128) - sqrt(18) + (4)sqrt(32). Thank you.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
sqrt(128) - sqrt(18) + (4)sqrt(32)
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sqrt(64*2) - sqrt(9*2) + 4*sqrt(16*2)
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= 8sqrt(2) - 3sqrt(2) + 4*4sqrt(2)
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= [8-3+16]sqrt(2)
---
= 21sqrt(2)
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Cheers,
Stan H
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