document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=233412>Question 233412</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I cannot figure out how to put this in form of a quadratic equation.\r<BR>\n" );
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document.write( "A piece of sheet metal is 2.1 times as long as it is wide. It is to be made into a box with an open top by cutting 3-inche squares from each corner and folding up the sides.\r<BR>\n" );
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document.write( "I just do not know what to do with the volume. I get this far, but cannot go any further.\r<BR>\n" );
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document.write( "V=3(x-6)(2.1x-6). I know I have to distribute the height which is 3, but not sure to what and how many times. I have to use a graphing calculator and use the intesect feature, which I know how to do, but the step I do not know how to do is convert the volume equation to a quadratic equation. Thank You </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172280 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=172280\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A piece of sheet metal is 2.1 times as long as it is wide. It is to be made into a box with an open top by cutting 3-inch squares from each corner and folding up the sides. <BR>\n" );
document.write( "I just do not know what to do with the volume. I get this far, but cannot go any further. <BR>\n" );
document.write( "V=3(x-6)(2.1x-6)<BR>\n" );
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document.write( "V = 3[2.1x^2 -6x-12.6x+36)<BR>\n" );
document.write( "V = 3(2.1x^2 -18.6x + 36)<BR>\n" );
document.write( "V = 6.3x^2 - 55.8x + 108<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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