Expression 5: "a" "y" squared plus "b" left parenthesis, "e" Superscript, left parenthesis, "x" minus "y" , right parenthesis , Baseline minus 1 , right parenthesis squared plus "c" left parenthesis, "e" Superscript, left parenthesis, "x" plus "y" , right parenthesis , Baseline minus 1 , right parenthesis squared minus "z" equals 0ay2+bex−y−12+cex+y−12−z=0