(-3x²)(-x²+2x-1) 等于?

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/30 08:07:47

(-3x²)(-x²+2x-1) 等于?

(-3x²)(-x²+2x-1)
=3x^4-6x³+3x²