Expression 2: "x" left parenthesis, 2 "x" minus "y" minus 1 , right parenthesis less than 0x2x−y−1<0
2
Expression 3: left parenthesis, "x" squared minus "y" , right parenthesis squared plus 4 "x" left parenthesis, 2 "x" minus "y" minus 1 , right parenthesis less than 0x2−y2+4x2x−y−1<0