已知x+2x+y-6y+10=0,求x的y次方

问题描述:

已知x+2x+y-6y+10=0,求x的y次方

x+2x+y-6y+10=0 (x+1)^2+(y-3)^2=0 x=-1,y=3 x的y次方等于-1