SOLUTION: Please help me solve this problem. simplify: 5 radical 27-radical 12-6 radical 3

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Question 115581: Please help me solve this problem. simplify: 5 radical 27-radical 12-6 radical 3
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
simplify: 5 radical 27-radical 12-6 radical 3
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5sqrt(27) - sqrt(12) -6sqrt(3)
= 5sqrt(9*3) - sqrt(4*3) - 6sqrt(3)
= 5*3sqrt(3) - 2sqrt(3) - 6sqrt(3)
= 15sqrt(3) -2sqrt(3) - 6sqrt(3)
= 7sqrt(3)
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Cheers,
Stan H.