Question

multiply the following complex numbers (6+3i)(3+i)

Answer 1

Answer:

15i+15

Step-by-step explanation:

(6+3i)(3+i)

18+9i+6i+3i^2

18+15i+3(-1)

18+15i-3

15i+15

Answer 2

Answer:

15+15i

Step-by-step explanation:

a p e x