0\\\\x_1=-2\; ,\; x_2=2\; ,\; x_3=7\\\\znaki:\; \; \; ---(-2)+++(\, 2\, )---(\, 7\, )+++\\\\x\in (-2;2\, )\cup (7;+\infty )" alt="(x-2)(x+2)(x-7)>0\\\\x_1=-2\; ,\; x_2=2\; ,\; x_3=7\\\\znaki:\; \; \; ---(-2)+++(\, 2\, )---(\, 7\, )+++\\\\x\in (-2;2\, )\cup (7;+\infty )" align="absmiddle" class="latex-formula">