4a²b²-(a²+b²)²
1个回答

要分解因式吗?

如果是,则

解:4a²b²-(a²+b²)²

=[2ab+(a²+b²)][2ab-(a²+b²)]

=(a+b)²[-(a²+b²-2ab)]

=(a+b)²[-(a-b)²]

=-(a+b)²(a-b)²