document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=980015>Question 980015</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of two numbers is 20. Their product is 36. If the smaller number is represented by x, which of the following represents the larger number?<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 #601210 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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/cgi-bin/show-face.mpl?user=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=601210\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "x + y = 20<BR>\n" );
document.write( "xy = 36<BR>\n" );
document.write( "......<BR>\n" );
document.write( "Using xy = 36<BR>\n" );
document.write( "y = 36/x<BR>\n" );
document.write( "Substitute in <BR>\n" );
document.write( "x + y = 20<BR>\n" );
document.write( "x + 36/x = 20<BR>\n" );
document.write( "Multiply through by x<BR>\n" );
document.write( "x^2 + 36 = 20x<BR>\n" );
document.write( "Rearrange into ax^2 + bx + c = 0 form<BR>\n" );
document.write( "x^2 - 20x + 36 = 0<BR>\n" );
document.write( "Factorise<BR>\n" );
document.write( "(x - 2)(x - 18)= 0<BR>\n" );
document.write( "x - 2 = 0<BR>\n" );
document.write( "x = 2<BR>\n" );
document.write( "or<BR>\n" );
document.write( "x - 18 = 0<BR>\n" );
document.write( "x = 18<BR>\n" );
document.write( "Hope this helps:-) </SPAN>\n" );
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