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