2.)-128.5 + 262.5=
Answer:
(x - 7)(x - 2)
Step-by-step explanation:
Consider the factors of the constant term (+ 14) which sum to give the coefficient of the x- term (- 9)
The factors are - 7 and - 2, since
- 7 × - 2 = + 14 and - 7 - 2 = - 9, hence
x² - 9x + 14 = (x - 7)(x - 2) ← in factored form