分式的加减【x-2分之5 -x-2】除以【3x-6分之3-x】

来源：学生作业学帮网编辑：学帮网时间：2024/05/27 12:17:11

=[5/(x-2)-(x+2)]×[-3(x-2)/(x-3)]
=(5-x²+4)/(x-2) ×[-3(x-2)/(x-3)]
=-(x+3)(x-3)/(x-2)×[-3(x-2)/(x-3)]
=3(x+3)
=3x+9

结果等于3