(x二次方+4/x-2)+4x/2-x化简或计算

分类: 作业答案 • 2023-01-21 00:30:16

问题描述：

答

(x²+4)/(x-2) + 4x/(2-x)
=(x²+4)/(x-2) - 4x/(x-2)
=(x²+4 - 4x)/(x-2)
=(x-2)²/(x-2)
=x-2