document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=877094>Question 877094</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How would I write the following expressions as complex numbers in standard form?<BR>\n" );
document.write( "-i(4 - 8i) \r<BR>\n" );
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document.write( "(5 - 7i)(-4 - 3i)\r<BR>\n" );
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document.write( "6i/3 - i\r<BR>\n" );
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document.write( "-2 - 5i/3i  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #529192 by </B><A HREF=/tutors/aboutme.mpl?userid=harpazo><B>harpazo(655)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=harpazo><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=harpazo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=529192\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The standard form looks like <BR>\n" );
document.write( "a + bi.\r<BR>\n" );
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document.write( "Post one question at a time or else no one will reply.\r<BR>\n" );
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document.write( "I will do (5 - 7i)(-4 - 3i).\r<BR>\n" );
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document.write( "Use FOIL method to expand. \r<BR>\n" );
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document.write( "5(-4) = -20<BR>\n" );
document.write( "5(3i) = 15i<BR>\n" );
document.write( "(-7i)(-4) = -28i<BR>\n" );
document.write( "(-7i)(-3i) = 21i^2\r<BR>\n" );
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document.write( "We have -20+15i-28i+21i^2.\r<BR>\n" );
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document.write( "Remember i^2 = -1\r<BR>\n" );
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document.write( "-20-13i+21(-1)\r<BR>\n" );
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document.write( "-20-13i-21\r<BR>\n" );
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document.write( "Answer: -41-13i\r<BR>\n" );
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document.write( "  </SPAN>\n" );
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