Respuesta :

Answer:

(x + 4) ( x + 3)

Step-by-step explanation:

x² + 7x +12 = (x + 4) ( x + 3)

Answer:

(x + 3)(x + 4).

Step-by-step explanation:

Consider  x^2 + 7x + 12:

12 = 3 * 4 and 7 = 3 + 4 so the factors are

(x + 3)(x + 4).