Respuesta :

Answer:

x = -1, -7.

Step-by-step explanation:

x^2 + 8х + 7 = 0

(x + 7)(x + 1) = 0

x = -1, -7.

Answer:

(x+1)(x+7)

Step-by-step explanation:

x^2+8x+7

x^2+x+7x+7

x(x+1)+7(x+1)

(x+1)(x+7)