document.write( "Question 1002272: e^x-x=2 \n" ); document.write( "

Algebra.Com's Answer #619220 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "If you haven't studied the Lambert w-function, \r\n" );
document.write( "then the only way to solve this is with technology,\r\n" );
document.write( "such as with a graphing calculator.\r\n" );
document.write( "\r\n" );
document.write( "Draw the graph of the left side  and the\r\n" );
document.write( "graph of the right side , and find where they\r\n" );
document.write( "intersect\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "They intersect at\r\n" );
document.write( "\r\n" );
document.write( "(-1.8414056604369606378...,2) and \r\n" );
document.write( "\r\n" );
document.write( "(1.1461932206205825852...,2)\r\n" );
document.write( "\r\n" );
document.write( "So the two solutions are approximately\r\n" );
document.write( "\r\n" );
document.write( "-1.8414056604369606378... and 1.1461932206205825852...\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( "

\n" );