document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1014980>Question 1014980</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what does it mean if P(-4) for the polynomial p(x)= x^3+4x^2-9x-36 equals zero? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #631303 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=631303\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(-4) means if you substitute x = -4 in<BR>\n" );
document.write( "p(x) = x^3 +4x^2 -9x -36 = 0<BR>\n" );
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document.write( "(-4)^3 +4(-4)^2 -9(-4) - 36 = 0<BR>\n" );
document.write( "-64 +64 +36 -36 = 0<BR>\n" );
document.write( "0 = 0<BR>\n" );
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document.write( "this means that (x+4) is a factor of x^3 +4x^2 -9x -36<BR>\n" );
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document.write( "note that you can apply synthetic division to find the other factors </SPAN>\n" );
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