Solving for x: log4 (x - 10) + log4 (x + 10) = 4
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Originally Posted by tmac11522 Solving for x: log4 (x - 10) + log4 (x + 10) = 4 in your case
Last edited by e^(i*pi); Mar 23rd 2009 at 05:21 PM. Reason: oops 4^4 = 256 not 16
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