因式分解:(x-1)(x-3)+1

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

因式分解:(x-1)(x-3)+1
因式分解:(x-1)(x-3)+1

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

(x-1)(x-3)+1
=x²-4x+3+1
=x²-4x+4
=(x-2)²