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)
(2*x^-1)/2-((6*x^-3)/2) = 0
(2*x^-1)/2-3*x^-3 = 0
x^-1-3*x^-3 = 0
t_1 = x^-1
1*t_1^1-3*t_1^3 = 0
t_1-3*t_1^3 = 0
t_1*(1-3*t_1^2) = 0
-3*t_1^2 = -1 // : -3
t_1^2 = 1/3
t_1^2 = 1/3 // ^ 1/2
abs(t_1) = (1/3)^(1/2)
t_1 = (1/3)^(1/2) or t_1 = -(1/3)^(1/2)
t_1 = 0
t_1 = 0
t_1 = (1/3)^(1/2)
x^-1-(1/3)^(1/2) = 0
1*x^-1 = (1/3)^(1/2) // : 1
x^-1 = (1/3)^(1/2)
-1 < 0
1/(x^1) = (1/3)^(1/2) // * x^1
1 = (1/3)^(1/2)*x^1 // : (1/3)^(1/2)
1/((1/3)^(1/2)) = x^1
x = 1/((1/3)^(1/2))
t_1 = -(1/3)^(1/2)
x^-1+(1/3)^(1/2) = 0
1*x^-1 = -(1/3)^(1/2) // : 1
x^-1 = -(1/3)^(1/2)
-1 < 0
1/(x^1) = -(1/3)^(1/2) // * x^1
1 = -(1/3)^(1/2)*x^1 // : -(1/3)^(1/2)
1/(-(1/3)^(1/2)) = x^1
x = 1/(-(1/3)^(1/2))
t_1 = 0
x^-1+0 = 0
x^-1 = 0
1*x^-1 = 0 // : 1
x^-1 = 0
x należy do O
x in { 1/((1/3)^(1/2)), 1/(-(1/3)^(1/2)) }
| 3(w+3)-7w= | | (2x^-1/2)-(6x^-3/20=0 | | (2x^-1/2)-6x^-3/2=0 | | 2(2x+4)=100 | | 8=56/m | | 5x+15+x=-3 | | 2xy-4ac+5yx+4ac= | | x^2y-xy=x^(-7)y^(1/2) | | n+-3+3=11+2n+-6+8 | | 36x^8-16x^4=0 | | 60=700/X | | p+py+q+qx-z=0 | | 2(2x+8)=100 | | 2(x+2)+3x+5=10 | | 62+2x-2+4x=360 | | 69.089+2.238F= | | 12=y+8 | | x^4-3X^3-24X^2+12X+72=0 | | x^4-3X^3-24X^2+12X+72=y | | 7x-3y+5x-8y= | | 5(x-12)=28 | | 9y-3=12 | | Z/9-6=6 | | 8w+20=24 | | 0.73= | | y^2+2y-84=0 | | 9k+4=5-4K | | x(x+1)(2x+1)=43.2 | | 2(3-x)+(x-2)(x+3)=(x+2)(x+3) | | (2x-1)(2x+1)=102.6 | | -1.4+75y=11.50 | | (2x-1)(2x+1)=43.2 |