document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=392460>Question 392460</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm not even sure if this is the right topic!  How do you solve the following problem:\r<BR>\n" );
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document.write( "x#y = 6x + 6y.  Find -1#4 and find 4#-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #278536 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=278536\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I would put it in the \"functions\" part.\r<BR>\n" );
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document.write( "Just replace -1 for x and 4 for y to obtain\r<BR>\n" );
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document.write( "6(-1) + 6(4) = 18\r<BR>\n" );
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document.write( "4#-1 is also equal to 18 since the function is commutative.\r<BR>\n" );
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document.write( "I have been asked by the student if # has a special name. There is no special name, it simply denotes a function in terms of x and y. It is more formally defined as f(x,y). </SPAN>\n" );
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