document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136276>Question 136276</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this using the quadratic formula:\r<BR>\n" );
document.write( "\n" );
document.write( "2x^2+x=21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #99832 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=99832\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve this using the quadratic formula: <BR>\n" );
document.write( "2x^2+x=21<BR>\n" );
document.write( "2x^2+x-21 = 0<BR>\n" );
document.write( "x = [-1 +- sqrt(1-4*2*-2)]/4<BR>\n" );
document.write( "x = [-1 +- sqrt(17)]/4\r<BR>\n" );
document.write( "\n" );
document.write( "============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );