Answer
12-9i but in order its -9i+12
Explanation:
since 8 and 4 are both positive add them up for 12 and 7i & -16 is -9i and the variable always comes first (a rule in math)
Answer:
-4 -23i
(4-16i) - (8+7i)
Distribute the minus sign
4-16i -8-7i
Combine like terms
4-8 -16i -7i
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