List the terms without changing the expression. 21x+21y

21x + 21y = 21(x+y)

What others are on the list?

21x,21y

To list the terms without changing the expression 21x + 21y, we simply separate them by a plus sign. Therefore, the terms are:

1. 21x
2. 21y

Listing the terms does not affect the expression, so the original expression remains the same: 21x + 21y.