document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1056142>Question 1056142</A>: <I><SPAN STYLE=\"word-break: break-all;\"> n=3;<BR>\n" );
document.write( "3 and 4i are zeros<BR>\n" );
document.write( "f(1)=-34\r<BR>\n" );
document.write( "\n" );
document.write( "Answer: 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 #671322 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=671322\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3 and 4i are zeros, <u> As well as -4i is a zero</u><BR>\n" );
document.write( "f(x) = a(x-3)(x-4i)(x+4i)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+a%28x-3%29%28x%5E2+%2B+16%29 ALIGN=MIDDLE  ALT=\"f%28x%29+=+a%28x-3%29%28x%5E2+%2B+16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "f(1) = a(-2)(17)<BR>\n" );
document.write( "a(-2)(17) = -34<BR>\n" );
document.write( "a = -34/-34<BR>\n" );
document.write( "a = 1<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+1%28x-3%29%28x%5E2+%2B+16%29 ALIGN=MIDDLE  ALT=\"f%28x%29+=+1%28x-3%29%28x%5E2+%2B+16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Apply FOIL<BR>\n" );
document.write( "f(x) = x^3 -3x^2  + 16x - 48 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );