化简:x+(1/x-1)+(x²-3x+4/1-x²)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 15:15:16
化简:x+(1/x-1)+(x²-3x+4/1-x²)化简:x+(1/x-1)+(x²-3x+4/1-x²)化简:x+(1/x-1)+(x²-3x+4

化简:x+(1/x-1)+(x²-3x+4/1-x²)
化简:x+(1/x-1)+(x²-3x+4/1-x²)

化简:x+(1/x-1)+(x²-3x+4/1-x²)
x+(1/x-1)+(x²-3x+4/1-x²)
=x+(1/x-1)+(x²-3x+4-x²)
=x+1/x-1+x²-3x+4-x²
=x+1/x-1-3x+4
=x-3x-1+4+1/x
=-2x+3+1/x

-2x+1/x—1+4