42.2k views
3 votes
Simplify (4 - 8i)(2 - 7i)

User Werkritter
by
7.8k points

2 Answers

7 votes

Answer:

-48-44i is the answer

Explanation:


User Etlds
by
8.3k points
1 vote
(4 - 8i)(2 - 7i)
Use the method FOIL
8 - 28i - 16i + 56i^2
Subtract 16i from -28i
Final Answer: 8 - 44i + 56i^2
User Mukesh Prajapati
by
8.1k points