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)
6*x^(2/3)-(47*x^(1/3))-8 = 0
6*x^(2/3)-47*x^(1/3)-8 = 0
t_1 = x^(1/3)
6*t_1^2-47*t_1^1-8 = 0
6*t_1^2-47*t_1-8 = 0
DELTA = (-47)^2-(-8*4*6)
DELTA = 2401
DELTA > 0
t_1 = (2401^(1/2)+47)/(2*6) or t_1 = (47-2401^(1/2))/(2*6)
t_1 = 8 or t_1 = -1/6
t_1 = -1/6
x^(1/3)+1/6 = 0
1*x^(1/3) = -1/6 // : 1
x^(1/3) = -1/6
( -1/6 < 0 i 1/3 in (0:1) ) => x należy do O
t_1 = 8
x^(1/3)-8 = 0
1*x^(1/3) = 8 // : 1
x^(1/3) = 8
x^(1/3) = 8 // ^ 3
x = 512
x = 512
| x*8=90 | | 12x+20+18x+12+6=30x+39 | | 3x+10=8x-50 | | 20/x=0.3077 | | (4/81)^(1/2) | | 8x*x=105 | | -5(x-1)-2=4(x+1) | | 5/7y-6/7=2-4y | | 8(2n+2)=6(5n+2)+6 | | 5(3n+1)=8(6n+5)+3 | | 4x+15-3x=3 | | 3x+7=9x-41 | | 5x+15=195 | | 54/(-6) | | 4x+4=210 | | 10/x=0.0391 | | 10/x=0.391 | | (-0.375)(x-7)=5+3x | | (3.1415*8*x)+(3.1415*64)=628.32 | | 16z-(3z-(6-9z))=30z+(-(3z+2)-(z+3)) | | 8/x=0.0300 | | 0.5x-0.3(40+x)=0.4(40) | | 2(x+16)=5(x-6) | | 8-8/3x9 | | 2x(5)+36=136 | | .20(x+4)=5x-2(1-x)-4 | | 3cos(2x)+4cos(x)+1=0 | | 2x^3+5x^3+6x=0 | | 3(2x-2.8)=8x-8.4 | | 25xy/5x | | 3/5×10/11 | | 3(x+3.13)=2x |