Expression 1: left parenthesis, left parenthesis, left parenthesis, "x" minus 1 , right parenthesis squared plus "y" squared minus 4 , right parenthesis , right parenthesis left parenthesis, left parenthesis, "x" plus 1 , right parenthesis squared plus "y" squared minus 4 , right parenthesis left parenthesis, "x" squared plus left parenthesis, "y" minus StartRoot, 3 , EndRoot , right parenthesis squared minus 4 , right parenthesis greater than or equal to "c"x−12+y2−4x+12+y2−4x2+y−32−4≥c