Question

What are the restrictions for
`[tex](x-2)/(x^2-6x+8)`[/tex]

Answer 1

x² - 6x + 8 ≠ 0

x² - 4x - 2x + 8 ≠ 0

x (x - 4) - 2 (x - 4) ≠ 0

(x - 2)(x - 4) ≠ 0

x ≠ 2 or x ≠ 4