SOLUTION: 2√72 + 3√18 =

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Question 599089: 2√72 + 3√18 =
Answer by flame8855(424)   (Show Source): You can put this solution on YOUR website!
2√72 + 3√18 = 2√(4*9*2) + 3√(2*9) =12√2 + 9√2 = 21√2
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