document.write( "Question 278778: i must simplify (2+3i)(2-3i) i think the answer is 4-9i is that correct \n" ); document.write( "
Algebra.Com's Answer #202834 by richwmiller(17219) You can put this solution on YOUR website! foil \n" ); document.write( "f=2*2 \n" ); document.write( "o=-3i*2 \n" ); document.write( "i=2*3i \n" ); document.write( "l=-9i^2=-9*(-1)=+9 \n" ); document.write( "4-6i+6i+9=13 \n" ); document.write( " |