Помогите решить x^2/3=1/27 9x^3-x=0 2x^2+4x^3=0
1)x^2/3=1/27 27x^2=3 x^2=1/9 x=+,- 1/3 2)9x^3-x=0 X(9x^2-1)=0 X=0 9x^2-1=0 9x^2=1 X^2=1/9 X=+,- 1/3 3)2x^2+4x^3=0 2x^2(1+2x)=0 x=0 1+2x=0 2x=-1 X=-1/2