Respuesta :

Answer:   4r2−8r+4

Step-by-step explanation:    

(4r−4)(r−1)

=(4r+−4)(r+−1)

=(4r)(r)+(4r)(−1)+(−4)(r)+(−4)(−1)

=4r2−4r−4r+4

=4r2−8r+4

 

Hope u get it  Correct <3