document.write( "Question 187165: log(x^2+19) = 2 \n" ); document.write( "
Algebra.Com's Answer #140297 by user_dude2008(1862) ![]() You can put this solution on YOUR website! log is assumed to be base 10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "log(x^2+19) = 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2+19 = 10^2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2+19 = 100\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2 = 100 - 19\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2 = 81\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=-9 or x=9 \n" ); document.write( " \n" ); document.write( " |