(x-1)(x-3)+1因式分解

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(x-1)(x-3)+1因式分解(x-1)(x-3)+1因式分解(x-1)(x-3)+1因式分解原式＝x^2-4x+3+1=x^2-4x+4=(x-2)^2(x-1)(x-3)+1=x^2-3x-x+

(x-1)(x-3)+1因式分解
(x-1)(x-3)+1因式分解

(x-1)(x-3)+1因式分解
原式＝x^2-4x+3+1
=x^2-4x+4
=(x-2)^2

(x-1)(x-3)+1
=x^2-3x-x+3+1
=x^2-4x+4
=(x-2)^2

原式=x²-4x+3+1
=x²-4x+4
=(x-2)²

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