(a²-2a)²+2(a²-2a)+1因式分解

(a²-2a)²+2(a²-2a)+1因式分解
(a²-2a)²+2(a²-2a)+1因式分解

(a²-2a)²+2(a²-2a)+1因式分解
(a²-2a)²+2(a²-2a)+1
=(a²-2a+1)²
=[(a-1)²]²
=(a-1)4
本题结果为（a-1）的四次方,
绝对真确!
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