Respuesta :

Answer:

x= 11, -15

Step-by-step explanation:

(4x + 5) + x^2 +1 0) = 180

x^2 + 4x + 15 = 180

x^2 + 4x + 15 - 180 = 0

x^2 + 4x - 165 = 0

x = 11, -15