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Levart [38]
3 years ago
7

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!

Mathematics
2 answers:
Vinil7 [7]3 years ago
8 0

Answer:


Step-by-step 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.

Trava [24]3 years ago
4 0

Answer: D

<u>Step-by-step explanation:</u>

  (5 - 3i)(6 + 2i)

= 5(6 + 2i)  -3i(6 + 2i)

= 30 + 10i  -18i - 6i²

= 30 - 8i -6(-1)    <em>because i² = -1</em>

= 30 - 8i + 6

= 36 - 8i

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