You can put this solution on YOUR website! That is 12 sqrt (18)+30 sqrt(12)
sqrt (18)=3 sqrt (2); sqrt 12=2 sqrt (3)
36 sqrt(2)+60 sqrt(3)
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Rough check:
14.7(3.5+7)=14.7(10.5)=about 154.
36 sqrt (2) is about 50
60 sqrt (3) is about 103