Step-by-step explanation:Here's how to simplify the expression: 1. Factor out a -1 from the numerator: - 1.x - 4 = -1(-x + 4) 2. Rewrite the denominator: - 4 - x = -x + 4 3. Simplify: - (-1(-x + 4)) / (-x + 4) = -1 Therefore, the simplified expression is -1.