document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=687599>Question 687599</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please perform the following operations with complex numbers: (2+i)(2-3i) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #425254 by </B><A HREF=/tutors/aboutme.mpl?userid=josh_jordan><B>josh_jordan(263)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josh_jordan><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=josh_jordan><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=425254\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To simplify, you will use the FOIL method:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "First x First = 2 x 2 = 4\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Outside x Outside = 2 x -3i = -6i\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Inside x Inside = i x 2 = 2i\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Last x Last = i x -3i = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-3i%5E2 ALIGN=MIDDLE  ALT=\"-3i%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = -3 x -1 = 3\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Now, just add everything together:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "4 + -6i + 2i + 3 = 7 - 4i\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Final Answer:  7 - 4i </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );