What did I do wrong here?

asked Jan 9, 2021 79.4k views

1 vote

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2 votes

Answer:

You put 8i^2 instead of 12i^2. You multiply -6i by -2i which equal -12i^2

Explanation:

-7 + 6i - 14i+ 12i^2

-7 - 8i - 12

-19 - 8i

7.2k points

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