x+1为什么等于x+1分之x²-1就是把x+1分之x²-1化简成x+1
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 22:02:23
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x+1为什么等于x+1分之x²-1就是把x+1分之x²-1化简成x+1
x+1为什么等于x+1分之x²-1
就是把x+1分之x²-1化简成x+1
x+1为什么等于x+1分之x²-1就是把x+1分之x²-1化简成x+1
(X²-1)/(x+1)=(x+1)*(x-1)/(x+1)=x-1
x+1=x-1;无解