(x^3+3)^2–9(x^3+3)–22=0 Помогите решить пожалуйст
( x³ + 3 ) = a a² - 9a - 22 = 0 D = 81 + 88 = 169 = 13² a1 = ( 9 + 13 ) : 2 = 11 a2 = ( 9 - 13 ) : 2 = - 2 ------------------------------- x³ + 3 = 11 x³ = 8 x³ = 2³ x = 8 -------------------------------- x³ + 3 = - 2 x³ = - 5 x = - ∛ 5