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Foundations
hard
0:00.0
Solve for
x
x
x
:
x
2
−
2
x
+
1
=
0
x^2 - 2x + 1 = 0
x
2
−
2
x
+
1
=
0
.
A
2
2
2
B
1
1
1
C
0
0
0
D
−
1
-1
−
1
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