document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=734575>Question 734575</A>: <I><SPAN STYLE=\"word-break: break-all;\"> need help with quadratic equation<BR>\n" );
document.write( "such as \r<BR>\n" );
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document.write( "x^2 + 12x -64 = 0\r<BR>\n" );
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document.write( "x2 - 2x - 13 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #449038 by </B><A HREF=/tutors/aboutme.mpl?userid=lynnlo><B>lynnlo(4176)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lynnlo><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=449038\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> PROBLEM:(1)<BR>\n" );
document.write( "X^2+12X-64=0<BR>\n" );
document.write( "(1)FIND COEFFICIENTS A,B,C<BR>\n" );
document.write( "A=1,B=12,C=-64<BR>\n" );
document.write( "(2)PLUG IN VALUES<BR>\n" );
document.write( "X1,2====-B±&#8730;B^2-4AC/2A<BR>\n" );
document.write( "X1,2====-12±&#8730;12^2-4.1.(-64/2.1<BR>\n" );
document.write( "(3)SIMPLIFY<BR>\n" );
document.write( "X1,2====-12±&#8730;400/2<BR>\n" );
document.write( "(4)SOLVE FOR X<BR>\n" );
document.write( "X1,,=-12±&#8730;400/2=4<BR>\n" );
document.write( "X2,,=-12&#8730;400/2=-16<BR>\n" );
document.write( "X=4,-16<BR>\n" );
document.write( "PROBLEM(2)<BR>\n" );
document.write( "X2-2X-13=0<BR>\n" );
document.write( "X=1+&#8730;14,,X&#8776;4.7417<BR>\n" );
document.write( "X=1-&#8730;14,,X&#8776;-2.7417 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );