Question

9х^2 -9=0 Помогите пож

Answer 1

1 шишдрижшишжрэщшэтлтдшл

Answer 2

9x² - 9 = 0
(3x - 3)(3x + 3) = 0
3x - 3 = 0
3x = 3
x₁ = 1

3x + 3 = 0
3x = -3
x₂ = -1