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)
5/6 = 425/x // - 425/x
5/6-(425/x) = 0
5/6-425*x^-1 = 0
-425*x^-1 = -5/6 // : -425
x^-1 = 1/510
-1 < 0
1/(x^1) = 1/510 // * x^1
1 = 1/510*x^1 // : 1/510
510 = x^1
x = 510
x = 510
| -5x-2x=14 | | G(-3)=10x-4 | | x^4-7x^2-9=0 | | Y=2x-100 | | 6(4x-8)+3=15+8(3x-2) | | -5xyz+9xyz-8xyz-xyz= | | 3x^2-30x-72=0 | | -4y-3=2-3y | | 4y-3=2-3y | | 8/5=x/3945 | | F(4)=-3x+1 | | n^3+2n^2-35n=0 | | 6=8(a-3/4)-20 | | 7(x-2)=12+3x | | 3y-6=9y+30 | | k^2-9k=0 | | 1/4x-5+3x=7/2x-6 | | 5+y/-8=12 | | -11x-7=-13x-16 | | .66x-4=.5 | | 10=5x-3 | | 9x-54=6x+27 | | 7/5=63/x | | 3p^3-21p^2-90p=0 | | 6x-7=27x+7 | | 7x-14=12+3x | | 3+-1x+2=3 | | 3(x+7)=2x-1 | | u/6-2=-5 | | 7/5=x/63 | | 63m^2-31-10=0 | | 59+x=235 |