Relax

Respuesta :

Answer:

roots are at -14 and -6

Step-by-step explanation:

(x+10)² - 16 = 0

x² + 20x + 100 - 16 = 0

x² + 20x + 84 = 0

(x + 14)(x + 6) = 0

x = -14

x = -6