document.write( "Question 173284: I need to simplify this problem(5-2i)^2 I do not know if I did it right but the answer I got was 25-16i was I close? \n" ); document.write( "
Algebra.Com's Answer #128110 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
(5-2i)^2\r
\n" ); document.write( "\n" ); document.write( "Use Foil:
\n" ); document.write( "(5-2i)(5-2i)
\n" ); document.write( "F: 25
\n" ); document.write( "O: 5*-2i = -10i
\n" ); document.write( "I: 5*-2i = -10i
\n" ); document.write( "L: -2i*-2i = -4
\n" ); document.write( "--------------------
\n" ); document.write( "Combine to get:
\n" ); document.write( "21 - 20i
\n" ); document.write( "================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );