已知(3-y-4x)²+(4x+y-3)=0,求实数x,y的

问题描述:

已知(3-y-4x)²+(4x+y-3)=0,求实数x,y的
能求出吗

(3-y-4x)^2+(4x+y-3)=0(3-y-4x)^2-(3-y-4x)=0(3-y-4x)(3-y-4x-1)=0(3-y-4x)(2-y-4x)=03-y-4x=0或2-y-4x=0y=3-4x或y=2-4x只要满足3-y-4x=0或2-y-4x=0的实数x,y均符合题意要求所以,本题有无数多解...