Answer:
Step-by-step explanation:
Least common denominator
x - 1 is not going to be included because x - 1 is included in x^2 - 1
x^2 - 1 factors into (x - 1)(x+1) so you need only 1 x - 1.
You do however, need an x.
The answer is x(x + 1)(x - 1)
