Answer:
x = -9, 1
Step-by-step explanation:
(X+4)^2-25=0
Add 25 to each side
(X+4)^2-25+25=0+25
(X+4)^2=25
Take the square root of each side
sqrt((X+4)^2)=±sqrt(25)
x+4 = ±5
Separate into 2 equations
x+4 =5 x+4 =-5
Subtract 4 from each side
x+4-4=5-4 x+4-4 =-5-4
x=1 x=-9