If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( s )
s = 0
s = 0
s = 0
s in (-oo:0) U (0:+oo)
3/18 = 2/s // - 2/s
3/18-(2/s) = 0
3/18-2*s^-1 = 0
-2*s^-1 = -1/6 // : -2
s^-1 = 1/12
-1 < 0
1/(s^1) = 1/12 // * s^1
1 = 1/12*s^1 // : 1/12
12 = s^1
s = 12
s = 12
| (1+2i)z=3z-i | | 65(x+2)= | | 12x-6x+180=12x+114 | | (x^3)-(5x^2)-(5x)+7=3x-5 | | 2/5x-5=-3 | | 96=x^2+12x | | 6(15-1)=7x-12 | | 24.99=n-0.75n | | 4x-6=-60 | | 3x+44=-12 | | 3x+7y-6=0 | | -0.5x-4.2=6.4 | | 3(x+12)=-2x-1 | | 10^(2/3log(27)) | | (-28/27)/(-2/9) | | 2s-(16/s^2)=0 | | (-28/27)/(-2/9 | | 10+4(x-4)=14 | | F(x)=4x^2+11x-45 | | 5=x-y | | 10+8(2x-4)=0 | | 2s-(1024/s^2)=0 | | (5y+4)-2(7+2y)= | | 2=(7x/12)-(5x/8) | | 2x-1024/s^2=0 | | 5+2(3+x)=21 | | -15=1.5(x+6) | | 4(y+6)=2(y+7) | | 4(2m+3)-7=5+7m-9 | | 7g-2=47 | | 5(3x+2)+2(3x-2)=5x+70 | | 8x-6x=7(x-5) |