Объяснение:
0 \\ {x}^{2} > 49 \\ |x| > 7 \\ x > 7.x \geqslant 7 \\ - x > 7.x < 0 \\ xe (7 | + \infty ) \\ xe( - \infty | - 7)" alt=" {x}^{2} - 49 > 0 \\ {x}^{2} > 49 \\ |x| > 7 \\ x > 7.x \geqslant 7 \\ - x > 7.x < 0 \\ xe (7 | + \infty ) \\ xe( - \infty | - 7)" align="absmiddle" class="latex-formula">