How do you simplify #-( - 20i + 12) + ( - 9- 11i ) - ( 4- 8i )#?
1 Answer
Aug 12, 2017
Explanation:
We can simplify this using regular algebraic methods; we combine terms of real and terms of imaginary values:
#20i - 12 - 9 - 11i - 4 + 8i" "# (after substitution of negative signs)
#= color(blue)(ulbar(|stackrel(" ")(" "-25 + 17i" ")|)#
