Question

what are the restrictions for $[tex]\frac{x-2}{x^2-6x+8}$[/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