document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=971676>Question 971676</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me solve this? (-4+9i)(-1-2i) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #594074 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=594074\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Can you help me solve this? (-4+9i)(-1-2i)<BR>\n" );
document.write( "It's not an equation, nothing to solve.<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Multiply them like any 2 binomials<BR>\n" );
document.write( "(-4+9i)(-1-2i) = -4*(-1-2i) + 9i*(-1-2i)<BR>\n" );
document.write( "= 4+8i + (-9i-18i^2)<BR>\n" );
document.write( "i^2 = -1<BR>\n" );
document.write( "= 4+8i + (-9i+18)<BR>\n" );
document.write( "= 22 - i<BR>\n" );
document.write( " </SPAN>\n" );
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