SOLUTION: simplfy (8-√7)(1+√9)

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Question 411198: simplfy (8-√7)(1+√9)

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
simplfy (8-√7)(1+√9)
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Use FOIL to get:
F: 8
O:8*sqrt(9) = 8*3 = 24
I: -sqrt(7)*1 = -sqrt(7)
L: -sqrt(7)*sqrt(9) = -3sqrt(7)
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Combine these to get:
32-4sqrt(7)
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Cheers,
Stan H.
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