Question

Roots of the quadratic equation
x² - 4x+4=0 ​

Answer 1

Answer:

x=2 and x =-2

Step-by-step explanation:

x^2 -4x+4=0

x^2 -2x -2x+4=0

x(x-2) +2(x-2) =0

(x-2) (x+2) =0

x= 2 and x= -2