Expression 2: left parenthesis, 2 minus StartRoot, left parenthesis, "x" plus 3 , right parenthesis squared plus left parenthesis, "y" minus 3 , right parenthesis squared , EndRoot , right parenthesis squared plus "z" squared equals 12−x+32+y−322+z2=1
2
Expression 3: left parenthesis, 2 minus StartRoot, left parenthesis, "x" plus 3 , right parenthesis squared plus left parenthesis, "y" plus 3 , right parenthesis squared , EndRoot , right parenthesis squared plus "z" squared equals 12−x+32+y+322+z2=1
3
Expression 4: left parenthesis, 2 minus StartRoot, left parenthesis, "x" minus 3 , right parenthesis squared plus left parenthesis, "y" plus 3 , right parenthesis squared , EndRoot , right parenthesis squared plus "z" squared equals 12−x−32+y+322+z2=1
