9х^2 -9=0 Помогите пож

Question

9х^2 -9=0 Помогите пож

Comments

9x^2-1=09x^2=1x^2=1/9x=√(1/9)x=±1/3

Answer 1

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

3x + 3 = 0
3x = -3
x₂ = -1

Answer 2

1 шишдрижшишжрэщшэтлтдшл