怎么将y=x^-x/x^-x+1化简成（y-1）x^2+(1-y)x+y=0急_数学解答

怎么将y=x^-x/x^-x+1化简成（y-1）x^2+(1-y)x+y=0
急

人气：210 ℃　时间：2020-02-05 20:34:12

解答

y=x^2-x/x^2-x+1
y(x²-x+1)=x²-x
yx²-xy+y-x²+x=0
yx²-x²+x-xy+y=0
(y-1)x²+(1-y)x+y=0