Multiply and simplify: x2+xx2−1⋅x−1x\dfrac{x^2 + x}{x^2 - 1} \cdot \dfrac{x - 1}{x}x2−1x2+x⋅xx−1.
111
xx−1\dfrac{x}{x-1}x−1x
x+1x\dfrac{x+1}{x}xx+1
x−1x+1\dfrac{x-1}{x+1}x+1x−1