document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=620587>Question 620587</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Perform the indicated operation, simplify, and express in standard form.\r<BR>\n" );
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document.write( "(7-i) (3+2i) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #390273 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=390273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (7-i) (3+2i)<BR>\n" );
document.write( "FOIL<BR>\n" );
document.write( "21 + 14i - 3i - 2i^2<BR>\n" );
document.write( "combine like terms; we know i^2 = -1<BR>\n" );
document.write( "21 + 11i - 2(-1)<BR>\n" );
document.write( "21 + 11i + 2<BR>\n" );
document.write( "23 + 11i </SPAN>\n" );
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