Question

What is the least common denominator of

Answer 1

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)