\n" );
document.write( "Hi \n" );
document.write( "completing the square \n" );
document.write( " x^2+2x = 2 \n" );
document.write( "recommend thinking what would 'come in handy' to get (x+1)^2 on left side... \n" );
document.write( "and adding that number 1 to both sides of the equation. \n" );
document.write( " \n" );
document.write( " (x+1)^2 = 3