document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1112933>Question 1112933</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello.\r<BR>\n" );
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document.write( "I have been asked to Re-write each of the following as single powers with positive exponents. One of the questions is:\r<BR>\n" );
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document.write( "(-3xy^2)^2 -2(xy^2)^2\r<BR>\n" );
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document.write( "and I need your help to understand what the teacher is asking.\r<BR>\n" );
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document.write( "Thank you for your help.\r<BR>\n" );
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document.write( "GS<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #727970 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=727970\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=xy%5E2 ALIGN=MIDDLE  ALT=\"v=xy%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-3v%29%5E2-2v%5E2 ALIGN=MIDDLE  ALT=\"%28-3v%29%5E2-2v%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9v%5E2-2v%5E2 ALIGN=MIDDLE  ALT=\"9v%5E2-2v%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7v%5E2 ALIGN=MIDDLE  ALT=\"7v%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Back-substitute.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%28xy%5E2%29%5E2 ALIGN=MIDDLE  ALT=\"7%28xy%5E2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%287x%5E2%2Ay%5E4%29 ALIGN=MIDDLE  ALT=\"highlight_green%287x%5E2%2Ay%5E4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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