Perform the indicated operation: x2−1x÷x+1x2\frac{x^2 - 1}{x} \div \frac{x + 1}{x^2}xx2−1÷x2x+1
x−1x\frac{x-1}{x}xx−1
x(x−1)1\frac{x(x-1)}{1}1x(x−1)
(x−1)⋅x(x-1) \cdot x(x−1)⋅x
x(x−1)x(x - 1)x(x−1)