SOLUTION: I really don't understand how to do this problem, can someone please help me? It states to answer in simpliest form: 5 radical 27y-radical 12y-6 radical3y

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Question 111083: I really don't understand how to do this problem, can someone please help me? It states to answer in simpliest form: 5 radical 27y-radical 12y-6 radical3y
Answer by edjones(7311) About Me  (Show Source):
You can put this solution on YOUR website!
5sqrt(27y)-sqrt(12y)-6sqrt(3y)
=5sqrt(9*3y)-sqrt(4*3y)-6sqrt(3y)
=15sqrt(3y)-2sqrt(3y)-6sqrt(3y)
=7sqrt(3y)
Ed