SOLUTION: sqrt(90) x sqrt (40) - sqrt (80) x sqrt (18)
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Question 805252: sqrt(90) x sqrt (40) - sqrt (80) x sqrt (18)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
sqrt(90) x sqrt (40) - sqrt (80) x sqrt (18)
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sqrt(9*10) * sqrt(4*10) - sqrt(16*5) * sqrt(9*2)
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= 3sqrt(10) * 2sqrt(10) - 4sqrt(5)*3sqrt(2)
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= 6*10 - 12sqrt(10)
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= 60 - 12sqrt(10)
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Cheers,
Stan H.
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