Question

8-Xквадрат=-8
Помогите:)

Answer 1

8 - x² = - 8
- x² = - 8 - 8
-x² = - 16
x² = 16
x = 4
x = - 4

Ответ: x1 = 4, x2 = - 4.

Answer 2

-x^2=-8-8
-x^2=-16
Ответ:x=4;x=-4