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^2 = 0
x = 0
x = 0
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
2/x-(4/x)-16+16 = (2*x)/(x^2)-256 // - (2*x)/(x^2)-256
2/x-(4/x)-((2*x)/(x^2))-16+16+256 = 0
2/x-4*x^-1-2*x^-1-16+16+256 = 0
-4*x^-1 = -256 // : -4
x^-1 = 64
-1 < 0
1/(x^1) = 64 // * x^1
1 = 64*x^1 // : 64
1/64 = x^1
x = 1/64
x = 1/64
| -16/2 | | 20x-5=365 | | 5(t-2)+7t=4t-3 | | x/5-10x=10 | | 5x+20=365 | | x/5+x=12 | | -540x=-1.8 | | 6x-4=3x-3 | | 4(3x+5)=12x+20 | | 1/4x=0 | | 1x/8+3=5 | | (9b-7)-2(4b+3)= | | 1/5-2x+z+2/3 | | (3x/4)-(2x/5)+(1/2)= | | x^3+15x^2+350x+1809=0 | | y=-5+x | | (4v+7)(9-v)=0 | | (-3-3i)/(3-2i) | | X^2=1.16 | | -3(6p+3)-2(3-17p)=3(6+5p) | | 1/3(2x-8)=3 | | 6p+5=10+5p | | 3*1-y=9 | | r/2=r+1/4 | | aby^2-by-a^2y+a=0 | | 1/4-1/7 | | x/8-1=x/3-7/12 | | 14x+12x=52 | | 16/3-4 | | x^3+15x^2+330x+1809=0 | | 3x+(2-5x)/3 | | 1-(2x-3)/4 |