Answer:
(x - 2)(x - 4)
Step-by-step explanation:
Given
x² - 6x + 8
Consider the factors of the constant term (+ 8) which sum to give the coefficient of the x- term (- 6)
The factors are - 2 and - 4, since
- 2 × - 4 = + 8 and - 2 - 4 = - 6, then
x² - 6x + 8 = (x - 2)x - 4) ← in factored form
