document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=384035>Question 384035</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Essay: Show all work. A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x + 2y inches, the other side should be inches.<BR>\n" );
document.write( " x^2-2xy+9y^2 Write an algebraic expression for the area of such a whiteboard, simplify it, and include correct units with your solution. \r<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 #271818 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=271818\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Just multiply:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x+%2B+2y%29%28x%5E2+-+2xy+%2B+9y%5E2%29+=+x%5E3+-+2x%5E2y+%2B+9xy%5E2+%2B+2x%5E2y+-+4xy%5E2+%2B+18y%5E3 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "We can cancel out <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%5E2y ALIGN=MIDDLE  ALT=\"2x%5E2y\"   DISABLED_style= \"max-width:90%; height:auto;\" > to obtain\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3+%2B+5xy%5E2+%2B+18y%5E3 ALIGN=MIDDLE  ALT=\"x%5E3+%2B+5xy%5E2+%2B+18y%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" > (in^2) </SPAN>\n" );
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