If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
x^(2/3)-(2*x^(1/3))-3 = 0
x^(2/3)-2*x^(1/3)-3 = 0
t_1 = x^(1/3)
1*t_1^2-2*t_1^1-3 = 0
t_1^2-2*t_1-3 = 0
DELTA = (-2)^2-(-3*1*4)
DELTA = 16
DELTA > 0
t_1 = (16^(1/2)+2)/(1*2) or t_1 = (2-16^(1/2))/(1*2)
t_1 = 3 or t_1 = -1
t_1 = -1
x^(1/3)+1 = 0
1*x^(1/3) = -1 // : 1
x^(1/3) = -1
( -1 < 0 i 1/3 in (0:1) ) => x naleu017Cy do O
t_1 = 3
x^(1/3)-3 = 0
1*x^(1/3) = 3 // : 1
x^(1/3) = 3
x^(1/3) = 3 // ^ 3
x = 27
x = 27
| R=4h+4v | | (10/4)y+(8/2)=2y-1 | | -3(8k+7.5)=-27.5 | | (x/3)+1=(x/7)+5 | | 23+d=48 | | 10+10+4=4x | | 4x+9=11-5x | | x+(15/9)=(2/3)x | | 2x^2+7x=5 | | (6x-6)/3=(2x+6)/5 | | A=1/2*B*H | | 2x+4/3=5x-3 | | u^2-14u+49=0 | | 3(5+2x)-4(2x-3)=11 | | 6(x-8)-2(x-5)+3x= | | (5/9)x-(1/3)=3 | | 7w=98 | | x^2-12=-13x | | 2=y+3 | | 4(3n+1)=7(9n+2)+9 | | 7/x+6/11x=2/9 | | 5(4x-2)=-21(7-x) | | y=36-4x | | (5x-1)(2x+3)=8x | | 5(258-x)=x | | 9v+6.5+7.5=18.5 | | 0=-16t^2+128t | | x^2+y^2+2x+2y-8=0 | | 45(x+1)=60x | | (5/6)x-(1/3)=3 | | 22.5=-5y+9y | | -4*2*9= |