When x has any value, the following fraction is significant (1) x ^ 2-2 / 9
When x has any value, the following fraction is significant (1) x ^ 2-2 / 9
x^2-9 ≠ 0
X ≠ 3 and X ≠ - 3
When x has any value, the following fraction is significant (1) x ^ 2-2 / 9
x^2-9 ≠ 0
X ≠ 3 and X ≠ - 3