Respuesta :
Answer:
x=-2, -4
Step-by-step explanation:
1(x+3)^2-1=0
Add 1 to each side
1(x+3)^2-1+1=0+1
(x+3)^2=1
Take the square root of each side
sqrt((x+3)^2)=sqrt(1)
x+3 = ±1
x+3 = 1 x+3 = -1
Subtract 3 from each side
x+3-3 = 1-3 x+3-3 = -1-3
x = -2 x=-4