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 = 33/(-x) // - 33/(-x)
8-(33/(-x)) = 0
33*x^-1+8 = 0
33*x^-1 = -8 // : 33
x^-1 = -8/33
-1 < 0
1/(x^1) = -8/33 // * x^1
1 = -8/33*x^1 // : -8/33
-33/8 = x^1
x = -33/8
x = -33/8
| -4=y-x+2x^2 | | 4x+152=2x+152 | | 4y=4x+100 | | 5x8/5x-5x32 | | (5x-3)(7x-5)= | | (m-20)/4-(4m-24)/5=2 | | x^(5/2)=1/32 | | -y=-8x^2+6 | | 7y+56=4x | | (-5x^4y)(-6x^7y^11)= | | -9=-3-3x | | 14xy=1302 | | x+x+0.56+0.56+0.74=10.41 | | 36/x=8 | | 5e^3x-1+2=8 | | 12y+12x+10=180 | | 2/6a-8 | | 3y-2x=16 | | x+x+53=180 | | p=21-2w | | X^2+2y-8x-15=0 | | 9a+2b=3 | | x(5x-4)+x(3x-2)=23-10 | | 8x+1y=9 | | -5(2x-9)=2(x-9)-11 | | 15/2-1/2*15 | | X=0.25y-1.5 | | 6x-5-5x=21 | | 84=16t^2+80t+20 | | 7g+14-3q=6 | | 84=16t^2+80+20 | | 3x-15+2x+30=90 |