Question

multiply (6+2i) (6-2i)

Answer 1

Answer:

$(6 + 2i)(6 + 2i) \\ 6(6 + 2i) + 2i(6 + 2i) \\ 36 + 12i + 12i + 4 {i}^{2} \\ 36 + 24i + 4 {i}^{2} \\ 4 {i}^{2} + 24i + 36$

Answer 2

Answer:

40

Step-by-step explanation: