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)
8-(5/x) = 27/x // - 27/x
8-(5/x)-(27/x) = 0
8-5*x^-1-27*x^-1 = 0
-32*x^-1 = -8 // : -32
x^-1 = 1/4
-1 < 0
1/(x^1) = 1/4 // * x^1
1 = 1/4*x^1 // : 1/4
4 = x^1
x = 4
x = 4
| 2=2/3-5/x | | 52=-7s+9 | | 7s-4=(-10+4s) | | 2+9+x=4+7 | | 9z-9=26+2z | | 5x+4=1/22x+3 | | 4x=1/2x+1 | | 5(3+4x)-1=74 | | y^2+4y-4y-20=0 | | p=90-3t^2/3 | | -16x^2+96x=-4 | | 19-4(x)=30 | | 5w^2-11w-2=0 | | 5w^2-11w-10=0 | | 235=14-y | | 30=-5/7x | | p(x)=x^4-6x^2-28 | | -3(5n+6)=3 | | 7x-3+3x=180 | | 4x^3+12x^2-14x=0 | | -3(2n+1)=12 | | -2x^2-16x-34=0 | | F(x)=1/x^3 | | 4+ln(x+1)=5 | | 2x^2-3x+0=2916 | | 19-4x=30 | | y/8-2.1=-14.9 | | v/lw=h | | -7(u-1)=-9u-13 | | 6v^2-11v+9=0 | | 9x-31=5(x+1) | | -8(v+6)=9v-31 |