document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1098678>Question 1098678</A>: <I><SPAN STYLE=\"word-break: break-all;\"> P(x)= ax^3- bx^2+cx-8 has zeros 2 and -1. P(3)= 28. Evaluate a, b and c.\r<BR>\n" );
document.write( "\n" );
document.write( "this is all I have so far, how do I solve this question?<BR>\n" );
document.write( "P(x)= (x-2)(x+1)Q(x)\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you in advanced :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #713050 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=713050\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%282%29%5E3-b%282%29%5E2%2Bc%282%29-8=0 ALIGN=MIDDLE  ALT=\"a%282%29%5E3-b%282%29%5E2%2Bc%282%29-8=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8a-4b%2B2c-8=0 ALIGN=MIDDLE  ALT=\"8a-4b%2B2c-8=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8a-4b%2B2c=8 ALIGN=MIDDLE  ALT=\"8a-4b%2B2c=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4a-2b%2Bc=1 ALIGN=MIDDLE  ALT=\"4a-2b%2Bc=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "-\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-a-b-c-8=0 ALIGN=MIDDLE  ALT=\"-a-b-c-8=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2Bb%2Bc=-8 ALIGN=MIDDLE  ALT=\"a%2Bb%2Bc=-8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "-\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%283%29=28 ALIGN=MIDDLE  ALT=\"P%283%29=28\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%283%29%5E3-b%283%29%5E2%2Bc%283%29-8=28 ALIGN=MIDDLE  ALT=\"a%283%29%5E3-b%283%29%5E2%2Bc%283%29-8=28\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=27a-9b%2B3c-8=28 ALIGN=MIDDLE  ALT=\"27a-9b%2B3c-8=28\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=27a-9b%2B3c=36 ALIGN=MIDDLE  ALT=\"27a-9b%2B3c=36\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9a-3b%2Bc=4 ALIGN=MIDDLE  ALT=\"9a-3b%2Bc=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "System to solve:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%284a-2b%2Bc=1%2Ca%2Bb%2Bc=-8%2C9a-3b%2Bc=4%29 ALIGN=MIDDLE  ALT=\"system%284a-2b%2Bc=1%2Ca%2Bb%2Bc=-8%2C9a-3b%2Bc=4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );