Expand 4 (3z-7)
To expand 4(3z-7), we will use the distributive property.
First, we distribute the 4 to both terms inside the parentheses:
4 * 3z = 12z
4 * -7 = -28
So the expanded form of 4(3z-7) is 12z - 28.
First, we distribute the 4 to both terms inside the parentheses:
4 * 3z = 12z
4 * -7 = -28
So the expanded form of 4(3z-7) is 12z - 28.