Respuesta :

(x + 5)^2 = x^2 + 10x +25
It is (x + 5)^2
= x^2 + 10x + 25
= x^2 + 5x + 5x + 25
= x(x + 5) 5(x+5)
x +5 = 0
x = -5

Your answer is -5