Simplify: −1x−5\dfrac{-1}{x - 5}x−5−1 for x≠5x \neq 5x=5. Which is equivalent?
15−x\dfrac{1}{5 - x}5−x1
1x−5\dfrac{1}{x - 5}x−51
−1x+5\dfrac{-1}{x+5}x+5−1
−(x−5)-(x-5)−(x−5)