Решите неравенство \(\dfrac{49^{2x^2+3x-7}-\left(\dfrac{1}{7}\right)^{-2x^2-14x+22}}{{\left(\dfrac{1}{29}\right)}^{6x-7}-{\left(\dfrac{1}{29}\right)}^{4x+1}}\leqslant0\).
\((2;+\infty)\)
\((2;4)\)
\(\{2\}\cup(4;+\infty)\)
\((4;+\infty)\)