document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1177995>Question 1177995</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this. Thank You In Advance<BR>\n" );
document.write( "(a-b+c-d)(a+b-c-d)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #807166 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=807166\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Again if you look at the given expression carefully, there is a path to the answer with much less work than shown by the other tutor.<br><BR>\n" );
document.write( "By rearranging the terms...<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a-b%2Bc-d%29%28a%2Bb-c-d%29+=+%28%28a-d%29-%28b-c%29%29%28%28a-d%29%2B%28b-c%29%29 ALIGN=MIDDLE  ALT=\"%28a-b%2Bc-d%29%28a%2Bb-c-d%29+=+%28%28a-d%29-%28b-c%29%29%28%28a-d%29%2B%28b-c%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "This is in the form (A-B)(A+B) = A^2-B^2.  So<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28a-d%29-%28b-c%29%29%28%28a-d%29%2B%28b-c%29%29+=+%28a-d%29%5E2-%28b-c%29%5E2+=+%28a%5E2-2ad%2Bd%5E2%29-%28b%5E2-2bc%2Bc%5E2%29+=+a%5E2-2ad%2Bd%5E2-b%5E2%2B2bc-c%5E2 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><br> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );