SOLUTION: multiply and simplify (3 - 3 square root 2)(3 + 7 sqaure root 2)

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Question 243330: multiply and simplify
(3 - 3 square root 2)(3 + 7 sqaure root 2)

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(3 - 3 square root 2)(3 + 7 sqaure root 2)
(3-3sqrt2)
(3+7sqrt2)
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9-9sqrt2+21sqrt2-21*2
9+12sqrt2-42
-33+12sqrt2 ans.