Question 470458
simplify
√4(x-√9)
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= sqrt[4(x-sqrt(9))]
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= sqrt[4(x-3)]
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= 2*sqrt(x-3)
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and 
simplify
√45(x-√27)
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= sqrt[45(x-sqrt(27))]
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= sqrt[45(x-3sqrt(3)]
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= sqrt(45)*sqrt[x-3sqrt(3)]
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= 3*sqrt(5)*sqrt[x-3sqrt(3)]
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Cheers,
Stan H.
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