document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1085210>Question 1085210</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of a number and its square is 4 more than twice the number. Find the number. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #699264 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=699264\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of a number and its square is 4 more than twice the number. Find the number. <BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "x + x^2 = 2x+4<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "x^2 -x - 4 = 0<BR>\n" );
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document.write( "Quadratic formula::<BR>\n" );
document.write( "x = [1 +-sqrt(1-4*-4)]/2<BR>\n" );
document.write( "----<BR>\n" );
document.write( "x = [1 +- sqrt(17)]/2<BR>\n" );
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document.write( "x = (1/2)+(1/2)sqrt(17) or x = (1/2)-(1/2)sqrt(17)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );