document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937693>Question 937693</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve for x: <BR>\n" );
document.write( "7x^2 - 21x - 3 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #571096 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=571096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The problem I would like to solve is: <BR>\n" );
document.write( "7x^2 - 21x - 3 = 0 <BR>\n" );
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document.write( "You are correct ; the AC Method does not work on your problem.<BR>\n" );
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document.write( "Use the Quadratic Formula::<BR>\n" );
document.write( "x = [-b +- sqrt(b^2-4ac)]/(2a)<BR>\n" );
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document.write( "x = [21 +- sqrt(441-4*7*-3)]/14<BR>\n" );
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document.write( "x = [21 +- sqrt(525)]/14<BR>\n" );
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document.write( "x = (21+5sqrt(5))/14 or x = (21-5sqrt(5))/14<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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