document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1028617>Question 1028617</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have this question on my assignment: \r<BR>\n" );
document.write( "\n" );
document.write( "\"Create two different rational polynomial expressions with the following constraints: <BR>\n" );
document.write( "-one expression is undefined when x = 4 <BR>\n" );
document.write( "-the other is undefined when x = &#8210;2 or 0. <BR>\n" );
document.write( "Then, rewrite both as equivalent expressions, with a common denominator.\" \r<BR>\n" );
document.write( "\n" );
document.write( "I think I understand how polynomial expressions expressions work I just can't figure out how to work backwards only knowing constraints. I really have no idea where to ever start. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #643709 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=643709\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Division by zero is undefined so,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%28x-4%29 ALIGN=MIDDLE  ALT=\"1%2F%28x-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is undefined when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=4 ALIGN=MIDDLE  ALT=\"x=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "You can just add more factors to the denominator,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%28x%28x%2B2%29%29 ALIGN=MIDDLE  ALT=\"1%2F%28x%28x%2B2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is undefined when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=0 ALIGN=MIDDLE  ALT=\"x=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-2 ALIGN=MIDDLE  ALT=\"x=-2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "So then use the common denominator, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%28x%2B2%29%28x-4%29 ALIGN=MIDDLE  ALT=\"x%28x%2B2%29%28x-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%28x-4%29=%28%28x%28x%2B2%29%29%2F%28x%28x%2B2%29%29%29%2A%281%2F%28x-4%29%29=%28x%28x%2B2%29%29%2F%28x%28x%2B2%29%28x-4%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and similarly,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%28x%28x%2B2%29%29=%28%28x-4%29%2F%28x-4%29%29%2A%281%2F%28x%28x%2B2%29%29%29=%28x-4%29%2F%28x%28x%2B2%29%28x-4%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );