To expand the expression \(-4(6a - 5)\), distribute \(-4\) to both terms inside the parentheses:
\[ -4 \times 6a + -4 \times -5 \]
Calculating each term:
- \(-4 \times 6a = -24a\)
- \(-4 \times -5 = 20\)
Now combine the results:
\[ -24a + 20 \]
Thus, the expanded expression is:
\[ -24a + 20 \]