Question

For what value of x is the rational expression below undefined? X-1/(x-3)(x+1)

Answer 1

1

Explanation:

Answer 2

Answer: 3 and -1

Explanation:

The denominator cannot be zero.

⇒ (x - 3)(x + 1) ≠ 0

⇒ x - 3 ≠ 0 and x + 1 ≠ 0

⇒ x ≠ 3 and x ≠ -1