SOLUTION: multiply and simplify
(5 - 2 square root 2)(7 + 7 square root 2)
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Question 243431: multiply and simplify
(5 - 2 square root 2)(7 + 7 square root 2)
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(5 - 2 square root 2)
(7 + 7 square root 2) multiply
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35-14sqrt2+35sqrt2-14*2 combine the sqrt terms.
35+21sqrt2-28 combine the integers.
7+21sqrt2 extract the common factor 7.
7(1+3sqrt2) ans.
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