4(3z-7)

1 answer

To simplify the expression 4(3z-7), distribute the 4 to both terms inside the parentheses:

4(3z-7) = 4(3z) - 4(7)

Multiplying 4 by 3z, we get:

12z - 4(7)

Multiplying 4 by 7, we get:

12z - 28

So, the simplified expression is 12z - 28.