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+3 = 0
6*(s+5) = 0
s+3 = 0
s+3 = 0
s+3 = 0 // - 3
s = -3
6*(s+5) = 0
6*(s+5) = 0
s+5 = 0 // - 5
s = -5
s in (-oo:-5) U (-5:-3) U (-3:+oo)
2/(s+3) = 2/(6*(s+5)) // - 2/(6*(s+5))
2/(s+3)-(2/(6*(s+5))) = 0
2/(s+3)+(-1/3)*(s+5)^-1 = 0
2/(s+3)-1/3/(s+5) = 0
(2*(s+5))/((s+3)*(s+5))+(-1/3*(s+3))/((s+3)*(s+5)) = 0
2*(s+5)-1/3*(s+3) = 0
5/3*s+9 = 0
(5/3*s+9)/((s+3)*(s+5)) = 0
(5/3*s+9)/((s+3)*(s+5)) = 0 // * (s+3)*(s+5)
5/3*s+9 = 0
5/3*s+9 = 0 // - 9
5/3*s = -9 // : 5/3
s = -9/5/3
s = -27/5
s = -27/5
| 70=-0.39x+97.0 | | y=-0.39(50)+97.0 | | 1/2+2/h=1/h | | y=-0.39(10)+97.0 | | n+35=15 | | r=25.7(8)+207 | | y=6.5(10)+145 | | (6x^3-3x^2+4x)-(2x^2+3x+6)= | | 58=51+2.5x | | w=51+2.5(5) | | (x^2-9)/(x^2)/(x^2-3x)/(x^2+2x-15) | | y-(-4)=6/9(x-(-10)) | | -y+5-x+6x=-2y+2x+3 | | 5x-2+8x-64=180 | | 5x-19+2x+155=180 | | f(x)=9x+4 | | 6x+4y=38 | | k-7=35 | | 3x+104+8x-72=164 | | 4x-13+9x-92= | | 4x-13=9x-92 | | 2(8-9y/4) | | x^2-8x+16+7-16= | | 9y^2-24y+14=0 | | 15s^2-22st-5t^2=0 | | 137=1km | | (x^2)-12x=-35 | | -9-(16/3) | | 3/2(8) | | 4+2x/-25 | | 2n^2+5=203 | | 2n^2+5=204 |