Question

8 - 2х2 = 0(решите уравнение )

Answer 1

$8 - 2x^2 = 0 /:(-2)\x^2-4=0\(x-2)(x+2)=0\x-2=0 x+2=0\x=2 x=-2$

Ответ: - 2; 2

Answer 2

https://znanija.com/task/31719917

Answer 3

$8 - 2 {x}^{2} = 0 \ \ 4 - {x}^{2} = 0 \ \ - {x}^{2} = - 4 \ \ x = 2 : : : x2 = 2 \ x = - 2 : : : x1 = - 2$