Expression 4: "C" equals left parenthesis, 2 , 3 , 1 , right parenthesisC=2,3,1
4
Expression 5: left parenthesis, "x" minus 2 , right parenthesis squared plus left parenthesis, "y" minus 3 , right parenthesis squared plus left parenthesis, "z" minus 1 , right parenthesis squared equals 21x−22+y−32+z−12=21