document.write( "Question 534347: The square root of a number plus two times the square root of the same number is twelve. What is the number? \n" ); document.write( "
Algebra.Com's Answer #351463 by oberobic(2304)\"\" \"About 
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sqrt(x) + 2*sqrt(x) = 3*sqrt(x) = 12
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\n" ); document.write( "sqrt(x) = 12/3 = 4
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\n" ); document.write( "x = 4^2 = 16
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\n" ); document.write( "Answer: The number is 16.
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\n" ); document.write( "Done.
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