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)
a/x = 8 // - 8
a/x-8 = 0
a*x^-1 = 8 // : a
x^-1 = 8/a
-1 < 0
1/(x^1) = 8/a // * x^1
1 = (8/a)*x^1 // : 8/a
1/(8/a) = x^1
x = 1/(8/a)
x = 1/(8/a)
| 15=u+v | | 6(a+4)=2[a-(3-a)] | | y=x/10 | | y^3+3y^3=25y+75 | | (-8-m)/6 | | x+x^2=15 | | 3x^2+18xy-24y= | | 2ax+b=b-x | | (5/8)a+30=35 | | 18=u*v | | 11p+9=27 | | 4x+x^2=60 | | (16-8x-(7x^2)+(2x^3))/(x-4) | | y/11+415=433 | | 18=uv | | (-8-m)/6=-4 | | (3/7)n-5=4 | | x+a=12 | | 2s-108=178 | | 2v^2-17v+30=0 | | 3x^2-33x+54= | | w/22-4=4 | | 7y-3x+5y=77 | | 4ax+bx=a+b | | (m-n+k)(m+7n-6k)= | | p/14=s | | 876=t/20+906 | | 5-z=3+z | | 3x^2+4x=95 | | -15j+80=830 | | 2(n+1)=15 | | 5(3-4x)=7-(-4x) |