Answer:
4
Step-by-step explanation:
40/10=4
x^2 + 14x + 40.
(x+4) (x+10)
= x(x + 10) + 4(x + 10) ( By the Distributive Law)
= x^2 + 10x + 4x + 40
= x^2 + 14x + 40.