SOLUTION: I am asked to multiply; i know that i must use F O I L to solve this problem (√[3] + 4√[5])(2√[3] – √[5])

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Question 161349: I am asked to multiply;
i know that i must use F O I L to solve this problem
(√[3] + 4√[5])(2√[3] – √[5])

Answer by ankor@dixie-net.com(15639) About Me  (Show Source):
You can put this solution on YOUR website!
(√[3] + 4√[5])(2√[3] – √[5])
;
%28sqrt%283%29+%2B+4sqrt%285%29%29+%2A+%282sqrt%283%29+-+sqrt%285%29%29
:
FOIL
2sqrt%289%29-+sqrt%2815%29+%2B+8sqrt%2815%29+-+4sqrt%2825%29
;
Which is:
2%283%29-+sqrt%2815%29+%2B+8sqrt%2815%29+-+4%285%29
:
6+%2B+7sqrt%2815%29+-+20
:
7sqrt%2815%29+-+14