Respuesta :

x^2 + 8x + 15 
= (x + 5)(x + 3)

answer is D. last one
The correct Option is (D) (x+3)(x+5)

Explanation:
The factors of the polynomials are:

x^2 + 8x + 15

x^2 + 3x + 5x + 15

x(x+3) + 5(x+3)

Take the common factor out:
(x+3)(x+5) (Option D)