作业帮[-3(x-y)^3]^2•（y-x)^3
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/27 19:48:37
![[-3(x-y)^3]^2•（y-x)^3](/uploads/image/z/7109230-22-0.jpg?t=%5B-3%28x-y%29%5E3%5D%5E2%26%238226%3B%EF%BC%88y-x%29%5E3)
x)5֨ЭԌ33RS022~R(dTO@~
Ŧ(F[BjETCtR6yvP{m {fnTVSTq
[-3(x-y)^3]^2•（y-x)^3
[-3(x-y)^3]^2•（y-x)^3
[-3(x-y)^3]^2•（y-x)^3
[-3(x-y)^3]^2•（y-x)^3
=[9(x-y)^6]*[-(x-y)^3]
=-9(x-y)^9
：[-3(x-y)^3]^2•（y-x)^3 =-9(x-y)^6*(x-y)^3=-9(x-y)^9