Respuesta :
ab + ac - 4b - 4c
=a(b+c)-4(b+c)
=(b+c)(a-4)
answer (a - 4)(b + c) first choice
=a(b+c)-4(b+c)
=(b+c)(a-4)
answer (a - 4)(b + c) first choice
Are those the answer choices? If so the answer is the first on (a-4)(b+c)