SOLUTION: (2sqrt3-6sqrt7)(4sqrt3+12sqrt7)

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Question 317264: (2sqrt3-6sqrt7)(4sqrt3+12sqrt7)
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(2sqrt3-6sqrt7)
(4sqrt3+12sqrt7)
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8*3-24sqrt21+24sqrt21-72*7
24-504=-480 ans.