Verified answer

Ответ:

x¹ = - 1, x² = 3

x = - 1

Объяснение:

x² - 1 = 2x + 2

x² - 1 -2 - 2 = 0

x²- 3 -2x=0

x² - 2x - 3 = 0

x²+x - 3x - 3 = 0

x × (x +1) - 3(x + 1) = 0

(x+1)×(x-3)=0

x+1=0

x-3=0

x¹= - 1 , x²= 3

4x - 1 = 3x - 2

x = - 1