(-2m+3)( )=4m²-9 ;(-2ab+3)²= .

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/08 02:55:28
(-2m+3)()=4m²-9;(-2ab+3)²=.(-2m+3)()=4m²-9;(-2ab+3)²=.(-2m+3)()=4m²-9;(-2ab

(-2m+3)( )=4m²-9 ;(-2ab+3)²= .
(-2m+3)( )=4m²-9 ;(-2ab+3)²= .

(-2m+3)( )=4m²-9 ;(-2ab+3)²= .
(-2m+3)(-2m-3 )=4m²-9
(-2ab+3)²=4a²b²-12ab+9

(-2m+3)(-2m-3 )=4m²-9
(-2ab+3)²=4a²b²-12ab+9