Question

Give the answer in a + bi form. (−7 + 6i) + (6 − 8i)

Answer 1

(-1 - 2i)

Explanation:

You simply add them.

-7 + 6 = -1

6i + (-8i) = 6i - 8i = -2i

Answer 2

-1 -2i

Explanation:

(-7+6) + (6i-8i) = -1 -2i