SOLUTION: (8 sqrt7 - sqrt 5) (sqrt 7 + 3 sqrt 5)
How do you do this?
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Question 108001: (8 sqrt7 - sqrt 5) (sqrt 7 + 3 sqrt 5)
How do you do this?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
(8 sqrt7 - sqrt 5) (sqrt 7 + 3 sqrt 5)
:
You FOIL it:
8*(7) + 24*sqrt(35) - sqrt(35) - 3(5)
:
56 + 23*sqrt(35) - 15; combine like terms
:
41 + 23*sqrt(35)
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