Answer:

Step-by-step explanation:

Where are the answers?
Step-by-step explanation:
Answer:
x = -3±sqrt( 5)
Step-by-step explanation:
(x + 3)^2-5=0
Add 5 to each side
(x + 3)^2-5+5=0+5
(x + 3)^2 = 5
Take the square root of each side
sqrt((x + 3)^2 )=±sqrt( 5)
x+3 = ±sqrt( 5)
Subtract 3 from each side
x+3-3 = -3±sqrt( 5)
x = -3±sqrt( 5)
The answer to your question is: x=10. y=2
The questions is, when z=9, 3z = ? When you multiply 3*9, you get 27