document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=617409>Question 617409</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Simplify the following product of complex numbers. <BR>\n" );
document.write( "(4 – 8i) • (-5 + 2i)<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #388316 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=388316\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (4 – 8i) • (-5 + 2i)<BR>\n" );
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document.write( "Use FOIL:<BR>\n" );
document.write( "F: 4*-5 = -20<BR>\n" );
document.write( "O:4*2i = 8i<BR>\n" );
document.write( "I: -8i*-5 = 40i<BR>\n" );
document.write( "L: -8i *2i = +16<BR>\n" );
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document.write( "Combine:<BR>\n" );
document.write( "-4 + 48i<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );