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)

As for this problem, we first identify what commutative property of multiplication mean. Commutative property of multiplication, or commutative property alone since addition also has this property, is that property that the order can be interchanged either way and it won't be affecting the result which is the product.
The answer to this would be the option that says

(4 + 2i) (3 - 5i) = (3 - 5i) (4 + 2i)

The first option would be a commutative property of addition. The third one would be the multiplicative identity property of multiplication. The fourth one would be showing the additive property of addition.