решите урввнение2х^3 + 4х^2 = 8(х+2)

2x^3 + 4x^2 - 8(x + 2) = 0 2x^2 (x + 2) - 8(x + 2) = 0 (2x^2 - 8)( x + 2) = 0 2x^2 - 8 = 0 /:2x^2 - 4 = 0 x^2 = 4 x = ±√4x = ±2x + 2 = 0 x = - 2 Ответ- 2; 2