document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=178772>Question 178772</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534417957/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> The base of a closed rectangular box has length equal to 3 times its width, which is w inches; its height is 6 in. less than its width.  Express the surface area, S, of the box as a function of w.\r<BR>\n" );
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document.write( "I've tried this several different times, but for some reason I just can't get the same answer that is in the back of the book. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #133746 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=133746\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First off, draw a rectangular solid on a piece of paper. <BR>\n" );
document.write( "Label the sides L, W, and H. <BR>\n" );
document.write( "Now calculate the surface area. <BR>\n" );
document.write( "You should get contributions from the LW face of 2*LW, the LH face of 2*LH, and the WH face of 2*WH.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA=2LW%2B2LH%2B2WH ALIGN=MIDDLE  ALT=\"SA=2LW%2B2LH%2B2WH\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA=2%28LW%2BLH%2BWH%29 ALIGN=MIDDLE  ALT=\"SA=2%28LW%2BLH%2BWH%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now to the measurements,<BR>\n" );
document.write( "Length = 3*Width=3*W, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=3W ALIGN=MIDDLE  ALT=\"L=3W\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Width = W <BR>\n" );
document.write( "Height=Width-6=W-6, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=H=W-6 ALIGN=MIDDLE  ALT=\"H=W-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Go back to the surface area equation and substitute,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA=2%28LW%2BLH%2BWH%29 ALIGN=MIDDLE  ALT=\"SA=2%28LW%2BLH%2BWH%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA=2%283W%2AW%2B3W%28W-6%29%2BW%28W-6%29%29 ALIGN=MIDDLE  ALT=\"SA=2%283W%2AW%2B3W%28W-6%29%2BW%28W-6%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA=2%283W%5E2%2B3W%5E2-18W%2BW%5E2-6W%29%29 ALIGN=MIDDLE  ALT=\"SA=2%283W%5E2%2B3W%5E2-18W%2BW%5E2-6W%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA=2%287W%5E2-24W%29%29 ALIGN=MIDDLE  ALT=\"SA=2%287W%5E2-24W%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SA=14W%5E2-48W%29 ALIGN=MIDDLE  ALT=\"SA=14W%5E2-48W%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );