The expression (5 + z)^4 has to be expanded.

(5 + z)^4 = z^4 + 20z^3 + 150z^2 + 500z + 625

**The expression (5 + z)^4 = z^4 + 20z^3 + 150z^2 + 500z + 625**

The expression (5 + z)^4 has to be expanded.

(5 + z)^4 = z^4 + 20z^3 + 150z^2 + 500z + 625

**The expression (5 + z)^4 = z^4 + 20z^3 + 150z^2 + 500z + 625**