Respuesta :

zrh2sfo

Answer:

4 i - 5

Step-by-step explanation:

Simplify the following:

4 + 12 i - 9 - 8 i

Hint: | Evaluate 4 + 12 i - 9 - 8 i.

4 + 12 i - 9 - 8 i = (12 i - 8 i) + (4 - 9) = -5 + 4 i:

Answer:  4 i - 5
I’m pretty sure the answer is 4i - 5

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