因式分解:(x-2)(x-4)+1
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因式分解:(x-2)(x-4)+1
因式分解:(x-2)(x-4)+1
因式分解:(x-2)(x-4)+1
(x-2)(x-4)+1
=x^2-6x+8+1
=x^2-6x+9
=(x-3)^2
答:
(x-2)(x-4)+1
=x^2-6x+8+1
=x^2-6x+9
=(x-3)(x-3)
解
(x-2)(x-4)+1
=x²-6x+9
=(x-3)²