Expression 6: StartRoot, left parenthesis, 1 minus left parenthesis, "x" minus 1 , right parenthesis squared , right parenthesis , EndRoot plus 11−x−12+1
6
Expression 7: negative StartRoot, left parenthesis, 1 minus left parenthesis, "x" minus 1 , right parenthesis squared , right parenthesis , EndRoot plus 1−1−x−12+1