SOLUTION: (3-2√7)(3+2√7) simplify the expression

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Question 293940: (3-2√7)(3+2√7)
simplify the expression
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(3-2√7)
(3+2√7)
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9-6sqrt7+6sqrt7-4*7
9-28=-19 ans.