Question

Ребят Помогите!! !!!!!!!!!!

Answer 1

2-2x-8=0
-6-2x=0
-2x=6
x=-3

Answer 2

Ответ:

$\frac{ {x}^{2} - 2x - 8 }{x - 4} = 0 \times (x - 4) \\ {x}^{2} - 2x - 8 = 0 \\ d = 4 + 32 = 36 = {6}^{2}$

$x1 = \frac{2 + 6}{2} = \frac{8}{2} = 4 \\ x2 = \frac{2 - 6}{2} = - \frac{4}{2} = - 2$