document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1189170>Question 1189170</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simplify and state the values of the variables where the expressions are undefined.\r<BR>\n" );
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document.write( "[3c / (c^2-25)] x [(c-5) / (6c^2-3c)] / [2 / (c+5)] </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #820440 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=820440\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assuming it is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283c+%2F+%28c%5E2-25%29%29+%2A+%28%28c-5%29+%2F+%286c%5E2-3c%29%29+%2F+%282+%2F+%28c%2B5%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "right away we can see that it is undefined if c = -5, we get division by 0 in two of the fractions<BR>\n" );
document.write( "rewrite this to<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283c+%2F+%28c%5E2-25%29%29+%2A+%28%28c-5%29+%2F+%286c%5E2-3c%29%29+%2A+%28%28c%2B5%29%2F2%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "simplify<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283c+%2F+%28c-5%29%28c%2B5%29%29+%2A+%28%28c-5%29+%2F+3c%282c-1%29%29+%2A+%28%28c%2B5%29%2F2%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cancel c-5, c+5 and 3c<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+%2A+%281%2F%282c%2B1%29%29+%2A+%281%2F2%29 ALIGN=MIDDLE  ALT=\"1+%2A+%281%2F%282c%2B1%29%29+%2A+%281%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2%282c%2B1%29 ALIGN=MIDDLE  ALT=\"1%2F2%282c%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "c = -.5 also makes it undefined </SPAN>\n" );
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