-2(-3xy+2z)+3(-2xy-5x)=?

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/18 10:20:07

-2(-3xy+2z)+3(-2xy-5x)=?

6xy-4z-6xy-15x=-4z-15x

-2(-3xy+2z)+3(-2xy-5x)
=6xy-4z-6xy-15x
=-4z-15x

-4z-15x

-2(-3xy+2z)+3(-2xy-5x)
=6xy-4z-6xy-15x
=-4z-15x

-2(-3xy+2z)+3(-2xy-5x)
=6xy-4z-6xy-15x
=-4z-15x