document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=694095>Question 694095</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't understand how to preform the operations with complex numbers like with;<BR>\n" );
document.write( "(6-5i)(4-9i) and also like; please help, I need to get my grade back to a B by tmoorrow...<BR>\n" );
document.write( "2+3i/<BR>\n" );
document.write( "4-5i </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427730 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=427730\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you have to know that <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+i+=+sqrt%28-1%29+ ALIGN=MIDDLE  ALT=\"+i+=+sqrt%28-1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+i%5E2+=+-1 ALIGN=MIDDLE  ALT=\"+i%5E2+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+i%5E3+=+i%2A%28-1%29+ ALIGN=MIDDLE  ALT=\"+i%5E3+=+i%2A%28-1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+i%5E3+=+-i+ ALIGN=MIDDLE  ALT=\"+i%5E3+=+-i+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+i%5E4+=+%28-1%29%2A%28-1%29+ ALIGN=MIDDLE  ALT=\"+i%5E4+=+%28-1%29%2A%28-1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+i%5E4+=+1+ ALIGN=MIDDLE  ALT=\"+i%5E4+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "To multiply <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6+-+5i+%29%2A%28+4+-+9i+%29+ ALIGN=MIDDLE  ALT=\"+6+-+5i+%29%2A%28+4+-+9i+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, you need<BR>\n" );
document.write( "to know the more basic operation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+a+%2B+b+%29%2A%28+c+%2B+d+%29+=+a%2Ac+%2B+b%2Ac+%2B+a%2Ad+%2B+b%2Ad+ ALIGN=MIDDLE  ALT=\"+%28+a+%2B+b+%29%2A%28+c+%2B+d+%29+=+a%2Ac+%2B+b%2Ac+%2B+a%2Ad+%2B+b%2Ad+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You're doing the same thing with operations on <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+i+ ALIGN=MIDDLE  ALT=\"+i+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6+-+5i+%29%2A%28+4+-+9i+%29+=+24+-+20i+-+54i+%2B+45%2Ai%5E2+ ALIGN=MIDDLE  ALT=\"+6+-+5i+%29%2A%28+4+-+9i+%29+=+24+-+20i+-+54i+%2B+45%2Ai%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6+-+5i+%29%2A%28+4+-+9i+%29+=+24+%2B+45%2A%28-1%29++-+20i+-+54i+ ALIGN=MIDDLE  ALT=\"+6+-+5i+%29%2A%28+4+-+9i+%29+=+24+%2B+45%2A%28-1%29++-+20i+-+54i+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6+-+5i+%29%2A%28+4+-+9i+%29+=+-21++-+74i+ ALIGN=MIDDLE  ALT=\"+6+-+5i+%29%2A%28+4+-+9i+%29+=+-21++-+74i+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+2+%2B+3%2Ai+%29+%2F+%28+4+-+5%2Ai+%29+ ALIGN=MIDDLE  ALT=\"+%28+2+%2B+3%2Ai+%29+%2F+%28+4+-+5%2Ai+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply top and bottom by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4+%2B+5%2Ai+ ALIGN=MIDDLE  ALT=\"+4+%2B+5%2Ai+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+%28+2+%2B+3%2Ai+%29+%2F+%28+4+-+5%2Ai+%29+%29%2A%28+%28+4+%2B+5i+%29+%2F+%28+4+%2B+5%2Ai+%29+%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+%28+2+%2B+3%2AI+%29%2A%28+4+%2B+5%2Ai+%29+%29+%2F+%28+%28+4+-+5%2Ai+%29%2A%28+4+%2B+5%2Ai+%29+%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+%28+2+%2B+3%2AI+%29%2A%28+4+%2B+5%2Ai+%29+%29+%2F+%28+16+-+25%2A%28i%5E2%29+%29+ ALIGN=MIDDLE  ALT=\"+%28+%28+2+%2B+3%2AI+%29%2A%28+4+%2B+5%2Ai+%29+%29+%2F+%28+16+-+25%2A%28i%5E2%29+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+8+%2B+12%2Ai+%2B+10%2Ai+%2B+15%2Ai%5E2+%29+%2F+%28+16+%2B+25+%29+ ALIGN=MIDDLE  ALT=\"+%28+8+%2B+12%2Ai+%2B+10%2Ai+%2B+15%2Ai%5E2+%29+%2F+%28+16+%2B+25+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+8+-+15+%2B+22i+%29+%2F+41+ ALIGN=MIDDLE  ALT=\"+%28+8+-+15+%2B+22i+%29+%2F+41+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-7%2F41+%2B+%2822%2F41%29%2Ai+ ALIGN=MIDDLE  ALT=\"+-7%2F41+%2B+%2822%2F41%29%2Ai+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "It's easy to make a mistake on these, but<BR>\n" );
document.write( "I hope you get the idea\r<BR>\n" );
document.write( "\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );