document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127661>Question 1127661</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the dimensions of the box described.<BR>\n" );
document.write( "The length is 4 inches more than the width. The width is 3 inches more than the height. The volume is 480 cubic inches.\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 #744120 by </B><A HREF=/tutors/aboutme.mpl?userid=FrankM><B>FrankM(1040)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=FrankM><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=FrankM><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=744120\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> H=X  W=X+3  L=X+7\r<BR>\n" );
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document.write( "LWH =  X^3+10X^2+21X=480 so\r<BR>\n" );
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document.write( " X^3+10X^2+21X-480=0 \r<BR>\n" );
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document.write( "Using a bit of guess and check, we easily find  X=5 \r<BR>\n" );
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document.write( "(Note, X has to be positive, and at 1, we get 32-480, very negative. Jumping to 3, we have 27+90+63-480= -300, so we jump to 5 and see 125+250+105-480=0)\r<BR>\n" );
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document.write( "5 * 8 * 12 =480 </SPAN>\n" );
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