SOLUTION: Multiply. {(2 sqrt 2)-(4 sqrt 7)}{(4 sqrt 2)+(8 sqrt 7)}

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Question 485235: Multiply. {(2 sqrt 2)-(4 sqrt 7)}{(4 sqrt 2)+(8 sqrt 7)}
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply. {(2 sqrt 2)-(4 sqrt 7)}{(4 sqrt 2)+(8 sqrt 7)}
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(2√2-4√7)(4√2+8√7)
FOIL it
8*2+16*√14-16*√14-32*7
16-224=-208