(x-2)^2 equalsto9
answers : x= +1/5 , x=-1 or x=5 , x=1 or x=5 , x=2 or x=3​

x = - 1 or x = 5

Step-by-step explanation:

(x - 2)² = 9 ( take the square root of both sides )

x - 2 = ± = ± 3 ( add 2 to both sides )

x = 2 ± 3

Then

x = 2 - 3 = - 1 or x = 2 + 3 = 5

19.side- angle- side

20. angle- side- angle

step-by-step explanation:

the answers are in the images, i received 100% on this assignment. hope this !