Answer: x = 2
Step-by-step explanation: Since we are looking for the values of x for which the denominator is equal to zero , we will equate the denominator to zero , that is :
[tex]x^{2}[/tex] - 4x + 4 = 0
Factorising , we have
(x - 2 ) ( x - 2 ) = 0
that is ,
x - 2 = 0 or x - 2 = 0
Therefore :
x = 2 twice
