jiefangcheng

来源：学生作业帮助网编辑：作业帮时间：2024/05/11 04:47:24

jiefangcheng

解题思路：6x(x-2)-(x-2)(3x-1)=3x^2-86x^2-12x-(3x^2-7x+2)=3x^2-86x^2-12x-3x^2+7x-2=3x^2-8-5x-2=-85x=6x=6/5