document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=172217>Question 172217</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3.	A rectangular box is (3x + 7) feet wide, (6x + 3) feet long, and (7x - 1) feet high. Find the volume of this box. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #133206 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=133206\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A rectangular box is (3x + 7) feet wide, (6x + 3) feet long, and (7x - 1) feet high. Find the volume of this box.<BR>\n" );
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document.write( "It's the same as any other rectangular solid, l*w*h<BR>\n" );
document.write( "V = (3x+7)*(6x+3)*(7x-1)<BR>\n" );
document.write( "= (18x^2 + 51x + 21)*(7x-1)<BR>\n" );
document.write( "= 126x^3 - 18x^2 + 357x^2 - 51x + 147x - 21<BR>\n" );
document.write( "=126x^3 + 339x^2 + 96x - 21 cubic feet<BR>\n" );
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