SOLUTION: (6+5sqrt3)(1- sqrt3)= ? simplify thanks for your help

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Question 635381: (6+5sqrt3)(1- sqrt3)= ? simplify thanks for your help
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
%286%2B5sqrt%283%29%29%281-sqrt%283%29%29 = 6+-sqrt%283%29+-15+=+-9+-sqrt%283%29=+-%289%2Bsqrt%283%29%29+
F First terms 6
O Outside terms -6sqrt%283%29
I Inside terms 5sqrt%283%29
L Last terms -5·3