Question

$$\left. \begin{array} { l } { \frac { 11 } { ( x - 1 ) ( 2 x + 3 ) \leq 0 } } \\ { - ( x - 1 ) ( 2 x + 3 ) \leq 0 } \\ { x - 3 x ^ { 2 } + 2 x + 2 } \\ { + ( 6 x + 1 ) ^ { 2 } - ( n ) ^ { 2 } - ( n - 1 ) ^ \right.$$