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What is the product (1 – 6i) (-5 – 8i) ? PLEASE HELP QUICK!!!!!f

What is the product (1 – 6i) (-5 – 8i) ? PLEASE HELP QUICK!!!!!f
asked 164k views
24 votes
What is the product (1 – 6i) (-5 – 8i) ?
PLEASE HELP QUICK!!!!!f

asked
User Ashok Dey
by
7.7k points

1 Answer

7 votes

Answer:


-53+22i

Explanation:

You can simply use the FOIL method, but keep in mind that
i^2=-1:


(1-6i)(-5-8i)\\(1)(-5)+(1)(-8i)+(-6i)(-5)+(-6i)(-8i)\\-5-8i+30i+48i^2\\-5+22i+48(-1)\\-5+22i-48\\-53+22i

answered
User Tammo Heeren
by
8.0k points
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