Question

АЛГЕБРА. 9 КЛАСС.
СРОЧНО ​

Answer 1

Ответ:

$2 {x}^{2} - 5x + 2 \: ne \: ravno \: 0 \: i \: bolshe \: nulya \\ 2 {x}^{2} - 5x + 2 > 0 \\ dis = 25 - 16 = 9 \\ x1 = \frac{5 - 3}{4} = \frac{1}{2} \\ x2 = \frac{5 + 3}{4} = 2 \\ (x - 0.5)(x - 2) > 0 \\ x < 0.5 \\ x > 2$