Question

20 points to the person who answers please

Factor the four-term polynomial.

ab + ac - 4b - 4c

(a - 4)(b + c)
(a - c)(b + 4)
(a + 4)(b - c)

Answer 1

Are those the answer choices? If so the answer is the first on (a-4)(b+c)

Answer 2

ab + ac - 4b - 4c
=a(b+c)-4(b+c)
=(b+c)(a-4)

answer (a - 4)(b + c) first choice