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)
0.1/x = 100 // - 100
0.1/x-100 = 0
0.1*x^-1 = 100 // : 0.1
x^-1 = 1000
-1 < 0
1/(x^1) = 1000 // * x^1
1 = 1000*x^1 // : 1000
1/1000 = x^1
x = 1/1000
x = 1/1000
| 2d^2+11d=0 | | 4x+13=17+6x | | 56/5(4/5) | | x-3y=-56 | | 4n^2+1=309 | | -3x+6x-14=3(x-3)-29 | | 4n^2+1=390 | | solve(x^(3/2)=3.99999,x) | | x^2-2(k-1)x+1=0 | | x^(3/2)=3.99999,x | | 14=5x^2+9 | | 0.7y-0.8(y-1)=2 | | 7x+25=67 | | 12x+14y=12.01 | | 4(x+2)-17=60 | | X=(x+5)(x) | | 5z+48=9z | | 2(x-1)squared=8 | | 9(y+1)=5y+21 | | -3x+5-4(x-1)=-(2x-3)-4x+4 | | -6(3-1)-7=-7(3)+2 | | 13y-4y=108 | | (x-7)(4x+8)=0 | | x^2+7y-7z^2=0 | | -[3x-(11x+10)]=10+(7x+5) | | 2.1*10^-6=[2x]^2/4.4-x | | X=(4k-1)(k+2) | | 6y-24=10y+10 | | x^2+x^2+y^2=590 | | 4.8x=36+12x | | 5p-2+3p=17+12p-23 | | x^2+x^2+y^2= |