asked 5.1k views
14 votes
How to solve this? (3i)(2+4i)-2(3+6i)

1 Answer

4 votes

Answer:


-18-6i

Explanation:


(3i)(2+4i)-2(3+6i)


(3i)(2)+(3i)(4i)+(-2)(3)+(-2)(6i)


6i+12i^2-6-12i (remember that
i^2=-1)


-6i+12(-1)-6


-6i-12-6


-6i-18


-18-6i

answered
User Dustin Woodard
by
7.9k points
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