(x+2)куб=x куб+8 ПОМОГИТЕ НЕ МОГУ РЕШИТЬ

(x + 2)³ = x³ + 8(x + 2)³ = (x + 2) • (x² - 2x + 4)(x + 2)³ - (x + 2) • (x² - 2x + 4) = 0(x + 2) • ((x + 2)² - (x² - 2x + 4)) = 0(x + 2) • ((x + 2)² - x² + 2x - 4) = 0x + 2 = 0(x + 2)² - x² + 2x - 4 = 0x1 = -2x2 = 0

Х^3+8=х^3+8Х^3=8-8Х^3=0