document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=200198>Question 200198</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073311821/algebrahomeworkh>Mathematics in Our World</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me solve this equation.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-2x-13=0 ALIGN=MIDDLE  ALT=\"x%5E2-2x-13=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #150503 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=150503\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2-2x-13=0<BR>\n" );
document.write( "Using the quadratic equation:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > We get:<BR>\n" );
document.write( "x=(2+-sqrt[-2^2-4*1*-13])/2*1<BR>\n" );
document.write( "x=(2+-sqrt[4+52)/2<BR>\n" );
document.write( "x=(2+-sqrt56)/2<BR>\n" );
document.write( "x=(2+-7.48)/2<BR>\n" );
document.write( "x=(2+7.48)/2<BR>\n" );
document.write( "x=9.48/2<BR>\n" );
document.write( "x=4.74 ans.<BR>\n" );
document.write( "x=(2-9.48)/2<BR>\n" );
document.write( "x=-7.48/2<BR>\n" );
document.write( "x=-3/74 ans. </SPAN>\n" );
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