document.write( "Question 565892: if log(x+1) + log(x-1) = 5, then what expression is equal to 10^5 \n" ); document.write( "
Algebra.Com's Answer #365994 by stanbon(75887)\"\" \"About 
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if log(x+1) + log(x-1) = 5, then what expression is equal to 10^5
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\n" ); document.write( "log[(x+1)(x-1)] = 5
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\n" ); document.write( "log[x^2-1] = 5
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\n" ); document.write( "x^2-1 = 10^5
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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