Решите уравнение 4x^-2/3 +3x^-1/3  -1=0

4X^(-2/3)+3X(-1/3)-1=0;t=x^-1/3;4t^2+3t-1=0;D=3^2-4*4=25;t1=(-3-5)/2*4=-8/8=1;t2=(-3+5)/2*4=2/8=1/4;t1=-1;   t2=1/4;x^(-1/3)=-1;       x^(-1/3)=1/4;x1=-1;                 x2=1/4^-3=4^3=64;