Решите неравенствоx3−x2−x+19x2−18⋅3x2+81⩽0.\frac{x^{3}-x^{2}-x+1}{9^{x^{2}}-18\cdot 3^{x^{2}}+81}\leqslant 0.9x2−18⋅3x2+81x3−x2−x+1⩽0.▸Ответ(−∞; −2)∪(−2; −1]∪{1}(-\infty;\,-\sqrt{2})\cup(-\sqrt{2};\,-1]\cup\{1\}(−∞;−2)∪(−2;−1]∪{1}