Use the distributive property to remove the parentheses. \( -9(4 w-2 u-1) \)

To remove the parentheses using the distributive property, you multiply each term inside the parentheses by \(-9\). So, we apply it like this: \(-9 \times 4w = -36w\), \(-9 \times -2u = +18u\), \(-9 \times -1 = +9\). Putting it all together, the expression simplifies to: \(-36w + 18u + 9\). So, \( -9(4w - 2u - 1) = -36w + 18u + 9\).