If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
(2*x-8)^6 = 0
(2*x-8)^6 = 0
(2*x-8)^6 = 0
2*x-8 = 0 // + 8
2*x = 8 // : 2
x = 8/2
x = 4
x in (-oo:4) U (4:+oo)
1/((2*x-8)^6) = 0
1 = 0
x belongs to the empty set
x belongs to the empty set
| 3(2x-4)+x=13 | | 2x^2+y=9 | | -20+18n=-272 | | 8x-6+9x=7x+6 | | w/4=56 | | 3x/8=6/x | | -17-20n=-277 | | q^2-52=37 | | -7v/5=21 | | 0.5x+0.35(50)=48.5 | | 3x+23=2x+16 | | 95=5-(1-6b) | | 5/6x=-5x-2/9 | | .5x-.33x=4 | | -6x-4+4x=-7x+2 | | 12=-3/2w | | ((9-3x)/(1-2))^2=-1 | | 34-120n=-2(23+110n) | | -6x-4+x=-7x+2 | | 6t-1=-7 | | 63s^2-7=0 | | D^2-16d+55=0 | | (9x+16y)=25z | | d^2=51 | | 4y^3(3y+4)(y-5)= | | 10w^2+13w-77=0 | | Y=4sin*3x | | 11+n=14 | | k^2+70=52 | | 7-6x-2=-36+3x-13 | | x(5x-7)(x+8)= | | 6j^2-91=-91 |