[tex]\LARGE\begin{aligned}&x^2+x\not=0 \wedge x^2-x\not=0\\&x(x+1)\not=0 \wedge x(x-1)\not =0\\&x\not =0 \wedge x+1\not =0 \wedge x\not =0 \wedge x-1\not =0\\&x\not =0 \wedge x\not =-1 \wedge x\not =1\\&x\in\mathbb{R}\setminus\{-1,0,1\}\end[/tex]
