document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1185503>Question 1185503</A>: <I><SPAN STYLE=\"word-break: break-all;\"> n=4 <BR>\n" );
document.write( "i and 2i are zeros <BR>\n" );
document.write( "f(-2)=120 <BR>\n" );
document.write( "f(x)= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #816343 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=816343\">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=n=4 ALIGN=MIDDLE  ALT=\"n=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=i+ ALIGN=MIDDLE  ALT=\"i+\"   DISABLED_style= \"max-width:90%; height:auto;\" >and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2i ALIGN=MIDDLE  ALT=\"2i\"   DISABLED_style= \"max-width:90%; height:auto;\" > are zeros\r<BR>\n" );
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document.write( "first use given zeros to find polynomial\r<BR>\n" );
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document.write( "if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=i+ ALIGN=MIDDLE  ALT=\"i+\"   DISABLED_style= \"max-width:90%; height:auto;\" >and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2i ALIGN=MIDDLE  ALT=\"2i\"   DISABLED_style= \"max-width:90%; height:auto;\" > are zeros, then we also have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-i+ ALIGN=MIDDLE  ALT=\"-i+\"   DISABLED_style= \"max-width:90%; height:auto;\" >and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2i ALIGN=MIDDLE  ALT=\"-2i\"   DISABLED_style= \"max-width:90%; height:auto;\" > (complex zeros always come in pairs)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=a%28x-x%5B1%5D%29%28x-x%5B2%5D%29%28x-x%5B3%5D%29%28x-x%5B4%5D%29+ ALIGN=MIDDLE  ALT=\"f%28x%29=a%28x-x%5B1%5D%29%28x-x%5B2%5D%29%28x-x%5B3%5D%29%28x-x%5B4%5D%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >......substitute zeros\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=a%28x-i%29%28x-%28-i%29%29%28x-2i%29%28x-%28-2i%29%29+ ALIGN=MIDDLE  ALT=\"f%28x%29=a%28x-i%29%28x-%28-i%29%29%28x-2i%29%28x-%28-2i%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=a%28x-i%29%28x%2Bi%29%28x-2i%29%28x%2B2i%29+ ALIGN=MIDDLE  ALT=\"f%28x%29=a%28x-i%29%28x%2Bi%29%28x-2i%29%28x%2B2i%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=a%28x%5E2-i%5E2%29%28x%5E2-%282i%29%5E2%29+ ALIGN=MIDDLE  ALT=\"f%28x%29=a%28x%5E2-i%5E2%29%28x%5E2-%282i%29%5E2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=a%28x%5E2-%28-1%29%29%28x%5E2-4%28-1%29%29+ ALIGN=MIDDLE  ALT=\"f%28x%29=a%28x%5E2-%28-1%29%29%28x%5E2-4%28-1%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=a%28x%5E2%2B1%29%28x%5E2%2B4%29+ ALIGN=MIDDLE  ALT=\"f%28x%29=a%28x%5E2%2B1%29%28x%5E2%2B4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=a%28x%5E4+%2B+5x%5E2+%2B+4%29+ ALIGN=MIDDLE  ALT=\"f%28x%29=a%28x%5E4+%2B+5x%5E2+%2B+4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-2%29=120 ALIGN=MIDDLE  ALT=\"f%28-2%29=120\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120=a%28%28-2%29%5E4+%2B+5%28-2%29%5E2+%2B+4%29+ ALIGN=MIDDLE  ALT=\"120=a%28%28-2%29%5E4+%2B+5%28-2%29%5E2+%2B+4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120=a%2840%29+ ALIGN=MIDDLE  ALT=\"120=a%2840%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=120%2F40+ ALIGN=MIDDLE  ALT=\"a=120%2F40+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=3+ ALIGN=MIDDLE  ALT=\"a=3+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=3%28x%5E4+%2B+5x%5E2+%2B+4%29+ ALIGN=MIDDLE  ALT=\"f%28x%29=3%28x%5E4+%2B+5x%5E2+%2B+4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=3x%5E4+%2B+15x%5E2+%2B+12+ ALIGN=MIDDLE  ALT=\"f%28x%29=3x%5E4+%2B+15x%5E2+%2B+12+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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