计算:-x(3xy-6x²y²)÷3(-x)²

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/19 22:00:32
计算:-x(3xy-6x²y²)÷3(-x)²计算:-x(3xy-6x²y²)÷3(-x)²计算:-x(3xy-6x²y²

计算:-x(3xy-6x²y²)÷3(-x)²
计算:-x(3xy-6x²y²)÷3(-x)²

计算:-x(3xy-6x²y²)÷3(-x)²
-x(3xy-6x²y²)÷3(-x)²
=(-3x²y-6x³y²)÷3x²
=(-3x²y)÷3x²-(6x³y²)÷3x²
=-y-2xy²

=﹣3x²﹙y-2xy²﹚÷3x²
=﹣y﹢2xy²
=y﹙2xy-1﹚