document.write( "Question 172821: log(2) (x^2 - 1) = 3 \n" ); document.write( "

Algebra.Com's Answer #127665 by nerdybill(7384) $\"\"$ $\"About$

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log(2) (x^2 - 1) = 3
\n" ); document.write( "(x^2 - 1) = 2^3
\n" ); document.write( "(x^2 - 1) = 8
\n" ); document.write( "x^2 = 9
\n" ); document.write( "x = (+-)3
\n" ); document.write( ".
\n" ); document.write( "that's plus or minus 3 \n" ); document.write( "

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