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Which expression is equal to 4i(6 3i)

a. 24 12i
b. 12 24i
c. -12 24i
d. -24 12i?

2 Answers

3 votes
4i(6 + 3i) = 4i x 6 + 4i x 3i = 24i - 12 = -12 + 24i
User Sachin Kalia
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6.8k points
2 votes

Your answer is:

-12 + 24i

Which expression is equal to 4i(6 3i) a. 24 12i b. 12 24i c. -12 24i d. -24 12i?-example-1
User Nils Schmidt
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7.5k points