document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=31250>Question 31250</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with the following.  Need to expand to have the answer have only positive exponents.  I understand that x^-2 becomes 1/x^2.  But get confused when the negative exponent is in the numerator of a fraction.\r<BR>\n" );
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document.write( "x^-2/y(xz/y - 1/y^-4)\r<BR>\n" );
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document.write( "Thank you.\r<BR>\n" );
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document.write( "Rebecca </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #17918 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=17918\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> do you mean: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28x%5E-2%2Fy%29%28%28xz%29%2Fy+-+1%2Fy%5E-4%29+ ALIGN=MIDDLE  ALT=\"+%28x%5E-2%2Fy%29%28%28xz%29%2Fy+-+1%2Fy%5E-4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >?\r<BR>\n" );
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document.write( "Your questions are written very messily and are therefore confusing to read. You might want to use brackets to collect terms together more, so it is more readable.\r<BR>\n" );
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document.write( "If you meant the above, then...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28x%5E-2%2Fy%29%28%28xz%29%2Fy+-+1%2Fy%5E-4%29+ ALIGN=MIDDLE  ALT=\"+%28x%5E-2%2Fy%29%28%28xz%29%2Fy+-+1%2Fy%5E-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=+%281%2F%28x%5E2y%29%29%28%28xz%29%2Fy+-+y%5E4%29+ ALIGN=MIDDLE  ALT=\"+%281%2F%28x%5E2y%29%29%28%28xz%29%2Fy+-+y%5E4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%281%2F%28x%5E2y%29%29%28%28xz%29%2Fy+-+y%5E5%2Fy%29+ ALIGN=MIDDLE  ALT=\"+%281%2F%28x%5E2y%29%29%28%28xz%29%2Fy+-+y%5E5%2Fy%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%281%2F%28x%5E2y%29%29%28%28xz+-+y%5E5%29%2Fy+%29+ ALIGN=MIDDLE  ALT=\"+%281%2F%28x%5E2y%29%29%28%28xz+-+y%5E5%29%2Fy+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28xz+-+y%5E5%29%2F%28x%5E2y%5E2%29+ ALIGN=MIDDLE  ALT=\"+%28xz+-+y%5E5%29%2F%28x%5E2y%5E2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28xz%29%2F%28x%5E2y%5E2%29+-+y%5E5%2F%28x%5E2y%5E2%29+ ALIGN=MIDDLE  ALT=\"+%28xz%29%2F%28x%5E2y%5E2%29+-+y%5E5%2F%28x%5E2y%5E2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28z%29%2F%28xy%5E2%29+-+y%5E3%2F%28x%5E2%29+ ALIGN=MIDDLE  ALT=\"+%28z%29%2F%28xy%5E2%29+-+y%5E3%2F%28x%5E2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "jon.<BR>\n" );
document.write( " </SPAN>\n" );
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