document.write( "Question 1131627: logbase3 (x-1) + logbase3 (x+1)=1 \r
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Algebra.Com's Answer #748287 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
\"log%283%2C%28x-1%29%29%2Blog%283%2C%28x%2B1%29%29=1\"\r
\n" ); document.write( "\n" ); document.write( "\"log%283%2C%28%28x-1%29%28x%2B1%29%29%29=1\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-1%29=3%5E1\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-1=3\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2=4\"\r
\n" ); document.write( "\n" ); document.write( "\"x=2\"\r
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\n" ); document.write( "\n" ); document.write( "Note that \"-2\" will not work.
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