document.write( "Question 977860: ln (x+8)+ln (x-8)=0 \n" ); document.write( "
Algebra.Com's Answer #599437 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! ln (x+8)+ln (x-8)=0 \n" ); document.write( "ln (x+8)+ln (x-8) = ln(1) \n" ); document.write( "ln ((x+8)(x-8)) = ln(1) \n" ); document.write( "(x+8)(x-8) = 1 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "x =~ 8.062258 \n" ); document.write( "------------ \n" ); document.write( "x =~ -8.062258 won't work, no logs of negative numbers \n" ); document.write( " |