Show (prove) in detail why (xyz) 4 = x4 y4 z4 for any number x, y, z

By using distributive property you can distribute (XYZ) 4 and get a simplified answer of 4 (x) + 4 (y) + 4 (z). The parenthesis show that 4 (xyz) is not simplified and could also be written as 4 (x) + 4 (y) + 4 (z).