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)
x/8-(8/x) = 0
x/8-8*x^-1 = 0
1/8*x^1-8*x^-1 = 0
(1/8*x^2-8*x^0)/(x^1) = 0 // * x^2
x^1*(1/8*x^2-8*x^0) = 0
x^1
(1/8)*x^2-8 = 0
(1/8)*x^2-8 = 0
DELTA = 0^2-(-8*4*(1/8))
DELTA = 4
DELTA > 0
x = (4^(1/2)+0)/(2*(1/8)) or x = (0-4^(1/2))/(2*(1/8))
x = 8 or x = -8
x in { -8, 8}
x in { -8, 8 }
| 7=-6+z | | F(x)=4.5x+24 | | R-16=-12 | | 4x^2-9+0=0 | | -2(t-1)+5t=9t-2 | | 24=3s | | x+6=1.25(x-4) | | 55=5f | | 2x+7z=7+3y | | -29-(-13)=x/9 | | -x^2+14x+14=0 | | 0=-6t | | 2b-4-10b-7= | | y=-(x+2)2+1 | | -14x-11=-39 | | 7(2+2x)=4(9-2x) | | (M^2/n^4)^-2 | | 143=x(171) | | x(9x+6)=4x^2-16x+15 | | x(143)=171 | | (4/3)(21/2)=(4/3)(3/4)(h) | | 3t-6t=24 | | f(x+5)=6x+8 | | 7(7m+8)+7= | | (x+4)(4x-2)=5(x+3)-10 | | (x+4)(4x-2)=5(m+3)-10 | | 15x+80=x^2 | | -18x-12=-48 | | 4/7-13 | | f(2)=6x+8 | | factorn^2+9=0 | | 3y-5=5y-15 |