SOLUTION: The square root of a number plus two times the square root of the same number is twelve. What is the number?
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Question 534347: The square root of a number plus two times the square root of the same number is twelve. What is the number? Answer by oberobic(2304) (Show Source):
You can put this solution on YOUR website! sqrt(x) + 2*sqrt(x) = 3*sqrt(x) = 12
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sqrt(x) = 12/3 = 4
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x = 4^2 = 16
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Answer: The number is 16.
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Done.
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