document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=82775>Question 82775</A>: <I><SPAN STYLE=\"word-break: break-all;\"> multiply <BR>\n" );
document.write( "(-1+2i)^2.\r<BR>\n" );
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document.write( "& if you can could you please show me how to plot the product on the complex plane?...if you can.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #59375 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=59375\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> multiply <BR>\n" );
document.write( "(-1+2i)^2. <BR>\n" );
document.write( "& if you can could you please show me how to plot the product on the complex plane?<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "(-1+2i)(-1+2i)<BR>\n" );
document.write( "Use FOIL to get:<BR>\n" );
document.write( "F: -1*-1=1<BR>\n" );
document.write( "O: -1*2i=-2i<BR>\n" );
document.write( "I: -1*21=-2i<BR>\n" );
document.write( "L; 2i*2i = -4<BR>\n" );
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document.write( "Combine these to get:<BR>\n" );
document.write( "-3-4i<BR>\n" );
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document.write( "The complex plane plot of this is the point (-3,-4)<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );