若实数x,y满足(x-2y-2)(3x+2y+2)+2(x2+4)=0,则x=____,y=____

问题描述:

若实数x,y满足(x-2y-2)(3x+2y+2)+2(x2+4)=0,则x=____,y=____

x=-2 ;y=-2