document.write( "Question 866711: (3+10i)(4-9i)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #522454 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%283%2B10i%29%284-9i%29\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3%284-9i%29%2B10i%284-9i%29\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3%284%29%2B3%28-9i%29%2B10i%284%29%2B10i%28-9i%29\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"12-27i%2B40i-90i%5E2\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"12-27i%2B40i-90%28-1%29\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"12-27i%2B40i%2B90\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"102%2B13i\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "=======================================================\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So, \"%283%2B10i%29%284-9i%29=102%2B13i\"
\n" ); document.write( "
\n" );