Question

1. Subtract (7 – 19i) from (–6 + 12i). A. –13 – 31i B. –13 + 31i C. 13 – 31i D. 13 + 31i

Answer 1

Explanation:

(-6+12i)-(7-19i)=

-6+12i-7+19i=

-13+31i

(b)

Answer 2

C. 13 – 31i

Explanation:

(7 – 19i) from (–6 + 12i)

That means

-6 +12i - (7 – 19i)

Distribute the minus sign

-6 +12i - 7 + 19i

-6-7 +12i +19i

-13 +31i