4+12(x-y)+9(x-y)^2分解因式的thanks..

分类: 作业答案 • 2022-08-04 13:14:36

问题描述：

4+12(x-y)+9(x-y)^2
分解因式的
thanks..

答

=[3(x-y)+2]^2 =(3x-3y+2)^2

答

4+12(x-y)+9(x-y)^2
=2^2+2*2*[3(x-y)]+[3(x-y)]^2
=[2+3(x-y)]^2
=(3x-3y+2)^2

=[3(x-y)+2]^2 =(3x-3y+2)^2

答

4+12(x-y)+9(x-y)^2
=2^2+2*2*[3(x-y)]+[3(x-y)]^2
=[2+3(x-y)]^2
=(3x-3y+2)^2