a³-2a²+a分解因式还有一题4xy²-4x²y-y³
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![a³-2a²+a分解因式还有一题4xy²-4x²y-y³](/uploads/image/z/5291783-71-3.jpg?t=a%26%23179%3B-2a%26%23178%3B%2Ba%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E8%BF%98%E6%9C%89%E4%B8%80%E9%A2%984xy%26%23178%3B-4x%26%23178%3By-y%26%23179%3B)
a³-2a²+a分解因式还有一题4xy²-4x²y-y³
a³-2a²+a分解因式
还有一题4xy²-4x²y-y³
a³-2a²+a分解因式还有一题4xy²-4x²y-y³
a³-2a²+a
=a(a²-2a+1)
=a(a-1)²
4xy²-4x²y-y³
=-y(4x²-4xy+y²)
=-y(2x-y)²
提取公因式a a³-2a²+a
=a(a²+2a+1)
=a(a+1)²
同理 4xy²-4x²y-y³
=-y(4x²-4xy+y²)
=-y(2x-y)²