July 2022 2 21 Report
ДАМ 90 БАЛЛОВ. Решить неравенства методом интервалов:

1) (x + 1)(x - 3) > 0;

2) (x - 4)(x + 2) [tex]\leq[/tex] 0;

3) (x - 2)(x + 17) > 0;

4) (x - 7)(x + [tex]\frac{1}{3}[/tex]) [tex]\geq[/tex] 0;
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