Решите ур-е 2х^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 /:2 x^2 - 4 = 0 x^2 = 4 x = ±√4 x = ±2 x + 2 = 0 x = - 2 Ответ - 2; 2