SOLUTION: what is 5 radical 50 minus 2 radical 18 plus 9 radical 32

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Question 310751: what is 5 radical 50 minus 2 radical 18 plus 9 radical 32
Answer by checkley77(12844) About Me  (Show Source):
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5 radical 50 minus 2 radical 18 plus 9 radical 32
5sqrt(25*2)-2sqrt(9*2)+9sqrt(16*2)
5*5sqrt2-2*3sqrt2+9*4sqrt2
25sqrt2-6sqrt2+36sqrt2
(25-6+36)sqrt2
55 sqrt2 or 77.78 ans.