Answer:
X^2-2x+1=(x-1)^2
Step-by-step explanation:
(x-1)^2 = (x-1)(x-1) --> FOIL
[F] x^2 --> x • x = x^2
[O] -1x --> -1 • x = -1x
[I] -1x --> -1 • x = -1x
[L] +1 --> -1 x -1 = +1
