If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( n )
n = 0
n = 0
n = 0
n in (-oo:0) U (0:+oo)
4/3 = (n-3)/n // - (n-3)/n
4/3-((n-3)/n) = 0
(-1*(n-3))/n+4/3 = 0
(-1*3*(n-3))/(3*n)+(4*n)/(3*n) = 0
4*n-1*3*(n-3) = 0
n+9 = 0
(n+9)/(3*n) = 0
(n+9)/(3*n) = 0 // * 3*n
n+9 = 0
n+9 = 0 // - 9
n = -9
n = -9
| 3x^2+17x+51=0 | | 7=-x+2 | | (x/8)=((x-6)/9) | | (4/6)=((p-4)/3) | | 4y+2=(-1/3)(8-12y) | | 0=x^2-22x+40 | | 1-0.4x(x-4)+0.6(x-7)=-0.6 | | (8/10)=((x-6)/9) | | -4(t-1)-30=3(t+3) | | 18+7x=6x+20 | | 6/5y-1/2=-1/3 | | (10/4)=(2/(n-6)) | | (2y-1)(5y+4)=0 | | 8s-(5s+6)=(1/2)(20+6s) | | 1-0.4x+0.06(x-8)=0.1x | | (x-2)(x^2-1)-6x^2-6=0 | | d/dx(6ln(x)) | | x^4-2x^3+5x^2-7x+9=0 | | 3x^4-14x^3+19x^2-4x-4=0 | | -2/3u-3/2=-3/5 | | (4x+9)(9x-8)=0 | | Cos72=10/x | | 21x-9-4=10x+2 | | 4x+(6x+15)=25 | | -8.2x+5=16 | | (7/10)x7 | | -8.2+5=16 | | 6x-4+x=8+4x | | -4+3w=-25 | | 1-0.4x-0.06(x-8)=0.1x | | (16a^3b/24a^2b^4)^2 | | 5c+3=42 |