SmokeyRN SmokeyRN

23-10-2019
Mathematics

contestada

Which expression is equivalent to (6 + 2i)(5 + 3i) ?

A 24 + 28i

B 36+ 28i

C 24 - 28i

D 30 - 28i

Respuesta :

CoolGuyJ CoolGuyJ

23-10-2019

Answer:

A

Steps:

i^2 = -1

Multiply the terms together;

30 + 18i + 10i + 6i^2

30 - 6 + 28i

24 + 28i

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