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Use the elimination method to find all solutions of the system {x2+y2=8x2−y2=1​ The four solutions of the system are: the one with x<0,y<0 is x=y=​ the one with x<0,y>0 is x=y=​ the one with x>0,y<0 is x=y=​ the one with x>0,y>0 is x=y=​ Question Help: □ Message instructor