document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=172827>Question 172827</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (3i)-(7i)-(-1-i)  My teacher gave me the answer which is 1-(3i)    I can not figure out how she did and need to know for a test tomorrow  Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #127669 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=127669\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (3i)-(7i)-(-1-i)<BR>\n" );
document.write( "Combine first two terms to get:<BR>\n" );
document.write( "-(4i)-(-1-i)<BR>\n" );
document.write( "distribute the negative sign to terms inside right parenthesis:<BR>\n" );
document.write( "-(4i)+1+i<BR>\n" );
document.write( "-4i+1+i<BR>\n" );
document.write( "Finally, combine terms:<BR>\n" );
document.write( "1-3i </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );