document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=209082>Question 209082</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a box for shipping roofing nails must have a volume of 84 cubic feet. if the box must be 3 feet wide and its height must be 3 feet less then its length,what should the dimensions of the box be? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #158172 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=158172\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Volume  =84  = L*W*H = L*(L-3)*(3)= 3L^2 -9L<BR>\n" );
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document.write( "3L^2 -9L -84 =0,,,,,divide  by  3<BR>\n" );
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document.write( "L^2 -3L-28 = 0<BR>\n" );
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document.write( "(L-7)(l+4) =0<BR>\n" );
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document.write( "L=7,,-4,,,not  realistic<BR>\n" );
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document.write( "check, L=7,,,,H=7-3=4,,,W=3,,,,,Vol = 7*4*3 =84,,,ok<BR>\n" );
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