Which values of xxx satisfy the inequality ∣x2−4x+3∣≤1|x^2 - 4x + 3| \leq 1∣x2−4x+3∣≤1?
[2−2,1]∪[3,2+2][2-\sqrt{2}, 1] \cup [3, 2+\sqrt{2}][2−2,1]∪[3,2+2]
[2−2,2+2][2-\sqrt{2}, 2+\sqrt{2}][2−2,2+2]
[1,3][1, 3][1,3]
[1−2,1+2][1-\sqrt{2}, 1+\sqrt{2}][1−2,1+2]