document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=71691>Question 71691</A>: <I><SPAN STYLE=\"word-break: break-all;\"> can you please assist me with solving problem...instructions...\r<BR>\n" );
document.write( "\n" );
document.write( "7x^2 + 5x from 9x^2 - 3. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #51258 by </B><A HREF=/tutors/aboutme.mpl?userid=bucky><B>bucky(2189)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bucky><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=51258\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7x^2 + 5x from 9x^2 - 3<BR>\n" );
document.write( ".<BR>\n" );
document.write( "The word \"from\" indicates to me that you are being asked to subtract <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7x%5E2+%2B+5x ALIGN=MIDDLE  ALT=\"7x%5E2+%2B+5x\"   DISABLED_style= \"max-width:90%; height:auto;\" > from<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9x%5E2+-+3 ALIGN=MIDDLE  ALT=\"9x%5E2+-+3\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "The rule of subtraction is that you change all the signs of the terms in the \"take away\" <BR>\n" );
document.write( "polynomial, and then add the result to the \"take from\" polynomial.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "In this case the \"take way\" polynomial is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7x%5E2+%2B5x ALIGN=MIDDLE  ALT=\"7x%5E2+%2B5x\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Change the signs to get:<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-7x%5E2+-+5x ALIGN=MIDDLE  ALT=\"+-7x%5E2+-+5x\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Then add this to the \"take from\" polynomial which is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9x%5E2+-+3 ALIGN=MIDDLE  ALT=\"9x%5E2+-+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "You can only add numbers to numbers and can only add together terms with like powers of x.  <BR>\n" );
document.write( "In this case we can add the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-7x%5E2 ALIGN=MIDDLE  ALT=\"-7x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2B9x%5E2 ALIGN=MIDDLE  ALT=\"%2B9x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > terms to get (((+ 2x^2))). <BR>\n" );
document.write( "That's one part of the answer.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Next we have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5x ALIGN=MIDDLE  ALT=\"-5x\"   DISABLED_style= \"max-width:90%; height:auto;\" > and we need to add it to the \"take from\" polynomial.  There is no<BR>\n" );
document.write( "corresponding term with just an x in the \"take from\" polynomial, so the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5x ALIGN=MIDDLE  ALT=\"-5x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "simply adds into the answer set unchanged.  So far our answer is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2+-+5x ALIGN=MIDDLE  ALT=\"2x%5E2+-+5x\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  <BR>\n" );
document.write( "We have a -3 in the \"take from\" polynomial but there is no corresponding plain-old <BR>\n" );
document.write( "number in the \"take away\" polynomial to add it to. Therefore -3 appears in the answer set <BR>\n" );
document.write( "unchanged.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "So by combining all the terms in the answer we get an answer of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2+-+5x+-+3 ALIGN=MIDDLE  ALT=\"2x%5E2+-+5x+-+3\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Hope this helps you to understand the problem and the subtraction process a little better. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );