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Posted by faylinn on Tuesday, July 24, 2012 at 10:32am.
2 log x- log 9=log 441
log x^2 - log9 = log 441 log (x^2 /9) = log 441 "antilog" it x^2/9 = 441 x^2 = 3969 x = ±63 , but we cannot take log of a negative, so x = 63
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