document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=819654>Question 819654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x^3 - 5x^2 +8x-4=0\r<BR>\n" );
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document.write( "Answer is 1 or 2 but having difficulty figuring out how to solve this other than trial and error. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #506759 by </B><A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><B>tommyt3rd(5050)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><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=tommyt3rd><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=506759\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We could use DesCartes rule of signs, to show 3 positive roots, then the rational zeros test to narrow the choices. Finally using synthetic division to get them. However, since we know them and they are rational, let's factor.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3+-+5x%5E2+%2B8x-4=%28x%5E3-4x%5E2%2B4x%29-%28x%5E2-4x%2B4%29 ALIGN=MIDDLE  ALT=\"x%5E3+-+5x%5E2+%2B8x-4=%28x%5E3-4x%5E2%2B4x%29-%28x%5E2-4x%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then...\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%28x%5E2-4x%2B4%29-1%28x%5E2-4x%2B4%29=%28x-1%29%28x-2%29%5E2 ALIGN=MIDDLE  ALT=\"x%28x%5E2-4x%2B4%29-1%28x%5E2-4x%2B4%29=%28x-1%29%28x-2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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