If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
16*x^(-2/3)-((4*x^(1/3))/3) = 0
(-4/3)*x^(1/3)+16*x^(-2/3) = 0
16*x^(-2/3)-4/3*x^(1/3) = 0
t_1 = x^(1/3)
16*t_1^-2-4/3*t_1^1 = 0
16*t_1^-2-4/3*t_1 = 0
4*t_1*(4*t_1^-3-1/3) = 0
4*t_1^-3 = 1/3 // : 4
t_1^-3 = 1/12
-3 < 0
1/(t_1^3) = 1/12 // * t_1^3
1 = 1/12*t_1^3 // : 1/12
12 = t_1^3
t_1^3 = 12 // ^ 1/3
t_1 = 12^(1/3)
4*t_1 = 0
4*t_1 = 0 // : 4
t_1 = 0
t_1 = 12^(1/3)
x^(1/3)-12^(1/3) = 0
1*x^(1/3) = 12^(1/3) // : 1
x^(1/3) = 12^(1/3)
x^(1/3) = 12^(1/3) // ^ 3
x = 12
t_1 = 0
x^(1/3)+0 = 0
x^(1/3) = 0
1*x^(1/3) = 0 // : 1
x^(1/3) = 0
x = 0
x in { 0}
x = 12
| 4h+1=10+3h | | 16-f=-3 | | 3a+4=10+-1 | | (a+1)=2(a+2)-2 | | -20=4xm+8 | | 6x-17=2x+23 | | -20=4 | | 8-7a=-29 | | -2w-3w-26=39 | | 10x^9(x-3)+9x^10=0 | | 45x+60x+30x=180 | | 8-7a=-21 | | 2(x-4)-23=9-3x | | 35=17m-2m^2 | | -2(3+x)+5=-24 | | 30+4x=180 | | t=f+25v | | 1-12/(3z-3)=-20/(3z-3)^2 | | t=25v+f | | 12/(3z-3)=-20/(3z-3)^2 | | 5y+9=x-23 | | .3X=Y-X | | 21x-19sinx=5 | | 8-7x=7+8x | | x+7y=52 | | 1-3(2.x-1)=6 | | 3x-5(x-4)=-6+4x+14 | | 9=y/335 | | M^2+5m-3= | | 3+.03(115)= | | 4x=8y+1 | | 2(X+4)=3x-11 |