D
Step-by-step explanation:
Given
xΒ² - 7x + 12
Consider the factors of the constant term (+ 12) which sum to give the coefficient of the x- term (- 7)
The factors are - 4 and - 3, since
- 4 Γ - 3 = + 12 and - 4 - 3 = - 7, thus
xΒ² - 7x + 12 = (x - 4)(x - 3) β in factored form β D