To expand the expression \( 4(3z - 7) \), you distribute the 4 to both terms inside the parentheses:
\[ 4(3z) - 4(7) = 12z - 28 \]
So, the expanded form is:
\[ 12z - 28 \]
To expand the expression \( 4(3z - 7) \), you distribute the 4 to both terms inside the parentheses:
\[ 4(3z) - 4(7) = 12z - 28 \]
So, the expanded form is:
\[ 12z - 28 \]