Задание 1428

$$-\dfrac{11}{18} x^2=-2\dfrac49$$

$$\dfrac{11}{18} x^2=\dfrac{22}9$$

$$x^2=\dfrac{22}9:\dfrac{11}{18}$$

$$x^2=\dfrac{22}9 \cdot \dfrac{18}{11}$$

$$x^2=2\cdot 2$$

$$x^2=4$$

$$x=\pm \sqrt4=\pm 2$$

$$-2<2$$