Question

Solve the equation by completing the square. X^2-4x+4=9

Answer 1

-1, 5

Explanation:

See the steps below:)

Answer 2

x =5 x =-1

Explanation:

X^2-4x+4=9

(x-2)^2 = 9

Take the square root of each side

sqrt((x-2)^2) = sqrt(9)

x-2 = ±3

Add 2 to each side

x-2+2 = 2±3

x = 2+3 x =2-3

x =5 x =-1