-4a^3b^2+6a^2b-2ab另:(3x+2)^2-12(3x-1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 16:55:51
![-4a^3b^2+6a^2b-2ab另:(3x+2)^2-12(3x-1)](/uploads/image/z/8892534-30-4.jpg?t=-4a%5E3b%5E2%2B6a%5E2b-2ab%E5%8F%A6%EF%BC%9A%EF%BC%883x%2B2%29%5E2-12%283x-1%29)
x)5I3N36K3J5JLzڿYtWhiiWj$cQƭIΆjXF@1]DmCMM#
2@cpijA J̀rp _\g# _f
-4a^3b^2+6a^2b-2ab另:(3x+2)^2-12(3x-1)
-4a^3b^2+6a^2b-2ab
另:(3x+2)^2-12(3x-1)
-4a^3b^2+6a^2b-2ab另:(3x+2)^2-12(3x-1)
-4a^3b^2+6a^2b-2ab
=-2ab(2a^2-3a+1)=-2ab(2a-1)(a-1)
(3x+2)^2-12(3x-1)
=(3x+2)^2-12(3x+2-3)
=(3x+2)^2-12(3x+2)+36
=(3x+2-6)^2
=(3x-4)^2