document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=690477>Question 690477</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "The difference of two numbers is 2. If the difference of their squares is 18, what is their sum? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #426314 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=426314\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X-Y=2<BR>\n" );
document.write( "X=2+Y\r<BR>\n" );
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document.write( "X^2-Y^2=18<BR>\n" );
document.write( "(2+Y)^2-Y^2=18<BR>\n" );
document.write( "4+4Y+Y^2-Y^2=18<BR>\n" );
document.write( "4Y=18-4<BR>\n" );
document.write( "4Y=14<BR>\n" );
document.write( "Y=14/4<BR>\n" );
document.write( "Y=3.5 ANS. <BR>\n" );
document.write( "X-3.5=2<BR>\n" );
document.write( "X=2+3.5<BR>\n" );
document.write( "X=5.5 ANS.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "5.5^2-3.5^2=18<BR>\n" );
document.write( "30.25.12.25=18<BR>\n" );
document.write( "18=18\r<BR>\n" );
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document.write( "5.5+3.5=9 ans. for the sum.<BR>\n" );
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