82.2k views
4 votes
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!

(5 - 3i)(6 + 2i)


Multiply and simplify.

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!! (5 - 3i)(6 + 2i) Multiply and simplify-example-1

2 Answers

5 votes

Answer:


Explanation:

(5 - 3i)(6 + 2i)

30 + 10i - 18i - 6i²

i² = - 1

30 - 8i - 6 - (- 1)

30 - 8i + 6

- 8i + 36

36 - 8i


Alternative D


I hope I helped you.

User Gnampf
by
7.7k points
5 votes

Answer: D

Explanation:

(5 - 3i)(6 + 2i)

= 5(6 + 2i) -3i(6 + 2i)

= 30 + 10i -18i - 6i²

= 30 - 8i -6(-1) because i² = -1

= 30 - 8i + 6

= 36 - 8i

User Sigabrt
by
8.7k points