SOLUTION: multiply (6-√5)(3+√5)

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Question 325227: multiply (6-√5)(3+√5)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
multiply (6-√5)(3+√5)
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Use FOIL:
F: 6*3 = 18
O:6*sqrt(5)
I:-3*sqrt(5)
L:-5
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Combine to get:
13 +3sqrt(5)
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Cheers,
Stan H.