What is the factorization of the quadratic expression x² - 2x + 1?
- (x - 2)(x + 1)
- (x + 1)(x - 1)
- (x - 1)(x - 1)
- None of these
Explanation
The given quadratic expression is x² - 2x + 1.
This can be factored as:
x² - 2x + 1 = (x - 1)(x - 1)
= (x - 1)²
The answer is (x - 1)(x - 1).
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