document.write( "Question 380682: solve\r\n" ); document.write( "\n" ); document.write( "x^2+2x-4+0 \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "solving\n" ); document.write( "x^2+2x-4 = 0\n" ); document.write( "\n" ); document.write( "\n" ); document.write( "\n" ); document.write( "\n" ); document.write( "