Answer:
Step-by-step explanation:
(-7 + 7i) - (-7 -3i) + (-7 - 8i) = -7 + 7i -7*(-1) -3i*(-i) - 7 - 8i
= -7 + 7i + 7 + 3i - 7 - 8i
= -7+ 7 - 7 + 7i +3i - 8i
Combine like terms
= - 7 + 2i
