Answer:
(x + 8)(x - 2)
Explanation:
x² + 6x - 16
consider the product of the factors of the constant term (- 16) which sum to give the coefficient of the x- term (+ 6)
the factors are + 8 and - 2, since
8 × - 2 = - 16 and 8 - 2 = + 6 , then
x² + 6x - 16 = (x + 8)(x - 2)