Question 799081
6sqrt(54w^2)-4wsqrt(24)
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= 6sqrt[9w^2*6) - 4w*sqrt(4*6)
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= 6*3w*sqrt(6) - 4w*2*sqrt(6)
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= 18wsqrt(6) - 8wsqrt(6)
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= 10wsqrt(6)
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Cheers,
Stan H.
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