x(x+1)²-x(x²-3)-2(x+1)(x-1)=20
来源:学生作业帮助网 编辑:六六作业网 时间:2025/02/02 01:31:56
x(x+1)²-x(x²-3)-2(x+1)(x-1)=20x(x+1)²-x(x²-3)-2(x+1)(x-1)=20x(x+1)²-x(x
x(x+1)²-x(x²-3)-2(x+1)(x-1)=20
x(x+1)²-x(x²-3)-2(x+1)(x-1)=20
x(x+1)²-x(x²-3)-2(x+1)(x-1)=20