(x²-2x)(x²-2x+2)+1因式分解

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(x²-2x)(x²-2x+2)+1因式分解(x²-2x)(x²-2x+2)+1因式分解(x²-2x)(x²-2x+2)+1因式分解原式=(

(x²-2x)(x²-2x+2)+1因式分解
(x²-2x)(x²-2x+2)+1因式分解

(x²-2x)(x²-2x+2)+1因式分解
原式=(x²-2x)²+2(x²-2x)+1
=(x²-2x+1)²
=(x-1)⁴