Question 213473
(square root of 14 +7)(square root of 14 -7)
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[sqrt(14) + 7][sqrt(14) - 7]
Use FOIL:
F: sqrt(14)*sqrt(14) = 14
O: -7sqrt(14)
I: -7sqrt(14)
L: 7*-7 = -49
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Combine to get:
-35 - 14sqrt(14)
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Cheers,
Stan H.