document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=331450>Question 331450</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular storage bin is to be made from a rectangular piece of sheet metal<BR>\n" );
document.write( "12 cm by 10 cm, by cutting out equal corners of side x and bending up the<BR>\n" );
document.write( "sides. Find x if the storage bin is to hold 90cm³(volume). \r<BR>\n" );
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document.write( "I got up to here and I am stuck<BR>\n" );
document.write( "4x³ - 44x²+ 120x + 90 = 0 \r<BR>\n" );
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document.write( "However, my question is worth 8marks and I dont think i am allowed to use a graphic calculator to work it out. How do i answer this question properly?<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 #237759 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=237759\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x^3 - 44x^2 + 120x = 90\r<BR>\n" );
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document.write( "2x^3 - 22x^2 + 60x - 45 = 0\r<BR>\n" );
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document.write( "test for roots using [(factors of -45) / (factors of 2)]\r<BR>\n" );
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document.write( "doesn't seem to be an integer value (maybe not rational) , so Guess-Divide-Average might be the way to solution </SPAN>\n" );
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