9x {}^{2} - 6x - 8 - 3x\\ - 9x > - 9x - 8 \\ 0 > - 8 \\ x( - \infty ... + \infty )" alt="a = x \\ 9x {}^{2} - 9x > 9x {}^{2} - 6x - 8 - 3x\\ - 9x > - 9x - 8 \\ 0 > - 8 \\ x( - \infty ... + \infty )" align="absmiddle" class="latex-formula">
a - любое значение