Решите неравенство log 49 ( 𝑥 + 4 ) + log ( 𝑥 2 + 8 𝑥 + 16 ) 7 ‾ √ ≤ − 3 4 . ${\displaystyle {\log }_{49}\left(x+4\right)+{\log }_{\left(x^2+8x+16\right)}\sqrt{7}\le -\frac{3}{4}.}$