(x^3+8)(x^6-3)=0
x^3+8=0
x=-2
x^6-3=0
x^6=3
x=3^(1/6)
(x^3 +8)(x^6 -3)=0
1.(x^3 +8)=0
(x+2)(x^2-2x+4)=0
a)x+2=0
x1=-2
b)x^2-2x+4=0
D<0
2.(x^6 -3)=0
x2;3=-+корень шестой степени3
