document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=957061>Question 957061</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i need help on this question and how to do step by step<BR>\n" );
document.write( "y=x^2-12x-9 <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #584791 by </B><A HREF=/tutors/aboutme.mpl?userid=rfer><B>rfer(16322)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rfer><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=584791\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a=1, b=-12, c=-9<BR>\n" );
document.write( "sqrt(-12^2-4*1*-9)<BR>\n" );
document.write( "sqrt(144+36)<BR>\n" );
document.write( "sqrt180=13.4<BR>\n" );
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document.write( "(+12+13.4)/2=12.7<BR>\n" );
document.write( "(+12-13.4)/2=-0.7<BR>\n" );
document.write( "(0,12.7)<BR>\n" );
document.write( "(0.-0.7)\r<BR>\n" );
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