document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=163882>Question 163882</A>: <I><SPAN STYLE=\"word-break: break-all;\"> We have the answer to this problem, but we are unsure of how it was solved.  Obviously we got a different answer….please help!\r<BR>\n" );
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document.write( "xº + 2x¹   if x=20<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 #120723 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=120723\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E0%2B2x%5E1 ALIGN=MIDDLE  ALT=\"x%5E0%2B2x%5E1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given expression\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2820%29%5E0%2B2%2820%29%5E1 ALIGN=MIDDLE  ALT=\"%2820%29%5E0%2B2%2820%29%5E1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in x=20\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2B2%2820%29%5E1 ALIGN=MIDDLE  ALT=\"1%2B2%2820%29%5E1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Raise 20 to the zeroth power to get 1. Note: any number (except zero) to the zeroth power is ALWAYS equal to 1. In other words, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E0=1 ALIGN=MIDDLE  ALT=\"x%5E0=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3C%3E0 ALIGN=MIDDLE  ALT=\"x%3C%3E0\"   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=1%2B2%2820%29 ALIGN=MIDDLE  ALT=\"1%2B2%2820%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Raise 20 to the first power to get 20. Note: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E1=x ALIGN=MIDDLE  ALT=\"x%5E1=x\"   DISABLED_style= \"max-width:90%; height:auto;\" > for all x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2B40 ALIGN=MIDDLE  ALT=\"1%2B40\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=41 ALIGN=MIDDLE  ALT=\"41\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E0%2B2x%5E1=41 ALIGN=MIDDLE  ALT=\"x%5E0%2B2x%5E1=41\"   DISABLED_style= \"max-width:90%; height:auto;\" > when x=20 </SPAN>\n" );
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