计算:(x²-1)/x*x/(x+1)+(3x+1)

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/27 22:15:41

计算:(x²-1)/x*x/(x+1)+(3x+1)
计算:(x²-1)/x*x/(x+1)+(3x+1)

计算:(x²-1)/x*x/(x+1)+(3x+1)
(x²-1)/x×x/(x+1)+(3x+1)
=(x+1)(x-1)/x×x/(x+1)+(3x+1)
=x-1+3x+1
=4x
愿对你有所帮助!