SOLUTION: MULTIPLY. (3√2 -9√7)(5√2 +15√7)

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Question 371887: MULTIPLY. (3√2 -9√7)(5√2 +15√7)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the FOIL Method,

%283%2Asqrt%282%29-9%2Asqrt%287%29%29%285%2Asqrt%282%29%2B15%2Asqrt%287%29%29=15%2A2-135%2A7
%283%2Asqrt%282%29-9%2Asqrt%287%29%29%285%2Asqrt%282%29%2B15%2Asqrt%287%29%29=30-945