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9sqrt12+16sqrt27 got the answer just need help how to show how got the answer

Kathy177

by Kathy177 at June 08, 2010

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9√12 +16√27=18√3 +48√3=66√3

lammy. lammy. June 09, 2010

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9√12 +16√27This is the original problem.  Now, a 4 can be factored from the first sqrt, and a 9 from the second, so this =18√3 +48√3Then, you just add the like terms; 48+18=66, so=66√3

yankeekid yankeekid June 10, 2010

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