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)
3/17 = 13/x // - 13/x
3/17-(13/x) = 0
3/17-13*x^-1 = 0
-13*x^-1 = -3/17 // : -13
x^-1 = 3/221
-1 < 0
1/(x^1) = 3/221 // * x^1
1 = 3/221*x^1 // : 3/221
221/3 = x^1
x = 221/3
x = 221/3
| 4y-3y=15 | | 30x+90y=1 | | 5-cosx=0 | | 14x-9+2x-3=13x-3+2x | | 5a+3whena=6 | | 6/30=200 | | 8/x=13/7 | | 251.2=1/3(3.14(4)r^2h | | 251.2=1/3(3.14(4)r(square)h | | v^2-2v-4=0 | | 4a+3whena=7 | | -a/9=2 | | -200x-3.01=3.3 | | -3x/-3=8/-3 | | 4t-3(3t+1)=5t-4 | | (13x3)-3/3) | | 7+3n-3=9n+12-4 | | 4x+109=11x-10 | | 8(t-3)+4t=4(3t+3)-9 | | 8x-2(x-8)=2 | | y=6cosx+5sinx | | 15x=9000 | | 35x-3y=48 | | 8z^2+10z+3=0 | | 30e(t/30)(−ln(2)) | | -(c-6)=-132 | | 4n^2=16 | | 7p^2-21=-84 | | 4h^2+28=0 | | 8p^2=32 | | 9f^2-49=0 | | (4x^3+4x)=64 |