SOLUTION: I need help in solving this equation: 2log x - log4 = 1/2 log81

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Question 591847: I need help in solving this equation: 2log x - log4 = 1/2 log81
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 / 4 = sqrt(81)


remember, logarithms are not defined for negative arguments