Respuesta :

Answer:

x=4

Step-by-step explanation:

(X-4)(X-4)=0

Using the zero product property

x-4 =0              x-4 =0

x-4+4=0+4       x-4+4 =0+4

x=4                     x=4

Answer:x=4 or x=4

Step-by-step explanation:

(x-4)(x-4)=0

(x-4)=0 or (x-4)=0

x=4 or x=4