Question

Gente boa Tarde, Me ajuda pfv

Answer 1

a) (-3 + 5i) - (2 + 2i) + 7 = 3i - 5

b) 6i - (2 - 4i) - (4 + 5i) + 18i + 3 = 23i - 3

c) (1/2 + 2/5i) + (2/3 + 6/7i) = 44/35i + 7/6

d) -1 - (-2 + i) + (3 - i) - (3 - 7i) = 5i + 1