Question

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

Group of answer choices

-2 + 26i

22 + 34i

-2 + 34i

-2 - 34i

Answer 1

= -2+34i

Explanation:

Greetings !

steps given expression

`(2 + 6i)(5 + 2i)`

Apply complex Arthimatic rule: (a+bi)

(c+di) = (ac-bd) +(ad+bc)i

`(2.5 - 6.2) + (2.2 + 6.5)i`

simplify

`(10 - 12) + (4 + 30)i \\ - 2 + 34i`

Hope it helps!