document.write( "Question 1025478: hi I need some help please the problem states to solve 4 log( 2x + 1 ) = 12. I think I understand how it simplifies to 8 log (x) + 4 log (-12) = 0 , but I'm not sure if that is the correct answer or not. Thank you for your help. \n" ); document.write( "
Algebra.Com's Answer #640758 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 8 log (x) + 4 log (-12) = 0 \n" ); document.write( "---------- \n" ); document.write( "log(-12) is not allowed, no negative argument.\r \n" ); document.write( "\n" ); document.write( "=========================== \n" ); document.write( "4 log( 2x + 1 ) = 12 \n" ); document.write( "Divide by 4 \n" ); document.write( "log(2x+1) = 3 \n" ); document.write( "log(2x+1) = log(10^3) = log(1000) \n" ); document.write( "2x+1 = 1000 \n" ); document.write( "2x = 999 \n" ); document.write( "x = 999/2 \n" ); document.write( " \n" ); document.write( " |