chelsib2567 chelsib2567

02-10-2017
Mathematics

contestada

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

Multiply and simplify.
A) 24 - 8i
B) 24 + 8i
C) 30 - 2i
D) 36 - 8i

Respuesta :

kyararinehart kyararinehart

26-02-2019

Answer:

The correct answer is D

Step-by-step explanation:

36 - 8i is correct. Using FOIL we get 30 - 8i - 6i2, but since i2 = -1, we get 30 - 8i - 6(-1), which is 30 - 8i + 6 = 36 - 8i.

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