Question

Multiply (3 + 4i) (6 + 2i) ?​

Answer 1

Answer: 10 + 30i

Explanation:

(3 + 4i) (6 + 2i)

= 3(6) + 3(2i) + 4i(6) + 4i(2i) // FOIL method

= 18 + 6i + 24i + 8i^2 // simplify

= 18 + 30i - 8 // i^2 = -1

= 10 + 30i