SOLUTION: (square root of 7+square root of 10)Times(Square root of 7-square root of 10

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Question 322757: (square root of 7+square root of 10)Times(Square root of 7-square root of 10
Answer by Fombitz(13828) About Me  (Show Source):
You can put this solution on YOUR website!
Use the FOIL method,

%28sqrt%287%29%2Bsqrt%2810%29%29%28sqrt%287%29-sqrt%2810%29%29=-3