x-2/x+2 - 16/x²-4=x+2/x-2

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/18 20:10:32
x-2/x+2-16/x²-4=x+2/x-2x-2/x+2-16/x²-4=x+2/x-2x-2/x+2-16/x²-4=x+2/x-2x-2/(x+2)-16/(x+

x-2/x+2 - 16/x²-4=x+2/x-2
x-2/x+2 - 16/x²-4=x+2/x-2

x-2/x+2 - 16/x²-4=x+2/x-2
x-2/(x+2)-16/(x+2)(x-2)=x+2/x-2
(x-2)(x-2)-16=(x+2)(x+2) 两边同时乘于(x+2)(x-2)
x=-2
请采纳,亲,谢谢!