(x-2)*((x2+2x+4)/(x3-8)-5/(x2+x-6)) 化简

来源:学生作业帮助网 编辑:六六作业网 时间:2024/10/06 21:58:23
(x-2)*((x2+2x+4)/(x3-8)-5/(x2+x-6))化简(x-2)*((x2+2x+4)/(x3-8)-5/(x2+x-6))化简(x-2)*((x2+2x+4)/(x3-8)-5/

(x-2)*((x2+2x+4)/(x3-8)-5/(x2+x-6)) 化简
(x-2)*((x2+2x+4)/(x3-8)-5/(x2+x-6)) 化简

(x-2)*((x2+2x+4)/(x3-8)-5/(x2+x-6)) 化简
(x-2)*[(x2+2x+4)/(x3-8)-5/(x2+x-6)]
=(x-2)*[(x2+2x+4)/(x-2)(x2+2x+4)-5/(x2+x-6)]
=(x-2)*[1/(x-2)-5/(x-2)(x+3)]
=1-5/(x+3)
=(x-2)/(x+3)

(x-2)/(x+3)