设集合A=｛（X,Y）|a1x+b1x+c1=0},B={(x,y)|a2x+b2x+c2=0},则方程（a1x+b2x+c1)(a2x+b2x+c2)=0}的解集为

设集合A=｛（X,Y）|a1x+b1x+c1=0},B={(x,y)|a2x+b2x+c2=0},则方程（a1x+b2x+c1)(a2x+b2x+c2)=0}的解集为
设集合A=｛（X,Y）|a1x+b1x+c1=0},B={(x,y)|a2x+b2x+c2=0},则方程（a1x+b2x+c1)(a2x+b2x+c2)=0}的解集为

设集合A=｛（X,Y）|a1x+b1x+c1=0},B={(x,y)|a2x+b2x+c2=0},则方程（a1x+b2x+c1)(a2x+b2x+c2)=0}的解集为
A并B