化简:-x(2)-(2xy) *9x(2)-9xy(3)+12x(4)y(2)/(3xy)谢谢!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 06:01:44
![化简:-x(2)-(2xy) *9x(2)-9xy(3)+12x(4)y(2)/(3xy)谢谢!](/uploads/image/z/7842996-36-6.jpg?t=%E5%8C%96%E7%AE%80%3A-x%282%29-%282xy%29+%2A9x%282%29-9xy%283%29%2B12x%284%29y%282%29%2F%283xy%29%E8%B0%A2%E8%B0%A2%21)
化简:-x(2)-(2xy) *9x(2)-9xy(3)+12x(4)y(2)/(3xy)谢谢!
化简:-x(2)-(2xy) *9x(2)-9xy(3)+12x(4)y(2)/(3xy)谢谢!
化简:-x(2)-(2xy) *9x(2)-9xy(3)+12x(4)y(2)/(3xy)谢谢!
原式=-x²-18x³y-9xy³+4x³y
=-x²-14x³y-9xy³