Identify properties used in each step in rewriting the polynomial expression (x+5) + 3 (a + (6x) y)

(x + 5) + 3 (a + (6x) y)

Adding Parenthesis: (x + 5) + 3 (a + 6xy)

Distributive Property: (x + 5) + 3 (a) + 3 (6xy)

(x + 5) + 3a + 18xy

Adding Expressions: x + 5 + 3a + 18xy

3a + x + 18xy + 5