Question

Which equation is an example of the commutative property of multiplication?
(4 + 2i) = (2i + 4)
(4 + 2i)(3 – 5i) = (3 – 5i)(4 + 2i)
(4 + 2i)(3 – 5i) = (4 + 2i)(3 – 5i)(1)
(4 + 2i) = (4 + 2i + 0)