因式分解(1 )﹣8ax 2 +16axy ﹣8ay 2 =( ) ;(2 )(a 2 +1 ...

因式分解(1 )﹣8ax 2 +16axy ﹣8ay 2 =( ) ;(2 )(a 2 +1 )2 ﹣4a 2 =( )
2024-11-23 05:12:34
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回答1:

(1)﹣8a(x﹣y) 2 ;(2)(a+1) 2 (a﹣1) 2