Respuesta :

Answer:

The correct option is a.

8i + 9 - 12 + 6i - 7 - 5i = 9i - 10

Explanation:

Given the expression:

8i + 9 - 12 + 6i - 7 - 5i

To simplify this, first collect like terms as follows:

8i + 6i - 5i + 9 - 12 - 7

= 9i - 10

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