Answer:
40
Step-by-step explanation:
(6 + 2i)(6 - 2i)=40
4i^2 - 36
(6+2i)(6-2i)
(2i * 2i) = 4i^2
(2i * -6) = -12i
(2i * 6) = 12i
(-6 * 6) = -36
combine like terms
