Answer:
- 8 - 3i
Explanation:
the required subtraction is
- 4 - 8i - (4 - 5i) ← distribute the parenthesis by - 1
= - 4 - 8i - 4 + 5i ← collect like terms
= (- 4 - 4) + (- 8i + 5i)
= - 8 + (- 3i)
= - 8 - 3i
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