How do you simplify -( - 20i + 12) + ( - 9- 11i ) - ( 4- 8i )−(−20i+12)+(−9−11i)−(4−8i)?

1 Answer
Nathan L.
Aug 12, 2017

-25 + 17i−25+17i

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" "20i−12−9−11i−4+8i (after substitution of negative signs)

= color(blue)(ulbar(|stackrel(" ")(" "-25 + 17i" ")|)

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