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 Apr 21, 2017
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Simplify the following:
sqrt(363) - 3 sqrt(27)

sqrt(27) = sqrt(3^3) = 3 sqrt(3):
sqrt(363) - 3×3 sqrt(3)

sqrt(363) = sqrt(3×11^2) = 11 sqrt(3):
11 sqrt(3) - 3×3 sqrt(3)

-3×3 = -9:
11 sqrt(3) + -9 sqrt(3)

11 sqrt(3) - 9 sqrt(3) = 2 sqrt(3):
Answer: | 2 sqrt(3)

 Apr 21, 2017

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