SOLUTION: sqrt(45)+sqrt(80)-3 sqrt(20)

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Question 641097: sqrt(45)+sqrt(80)-3 sqrt(20)
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt(45)+sqrt(80)-3 sqrt(20)
√45+√80+√20
=√9*√5+√16*√5-3(√4*√5)
=3√5+4√5-6√5
=√5