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)
8/n-12 = -1 // + 1
8/n-12+1 = 0
8*n^-1 = 11 // : 8
n^-1 = 11/8
-1 < 0
1/(n^1) = 11/8 // * n^1
1 = 11/8*n^1 // : 11/8
8/11 = n^1
n = 8/11
n = 8/11
| x(3x-1)=44 | | Q=3600-4p | | v^2+6v+35=0 | | 5y=2x-1 | | 2x(3x-1)=44 | | (6+v)(2v+5)=0 | | 4x^2-20x-44=0 | | 3(x+4)=18-4x | | X^2-34x+240=0 | | 3-2d+5d=4 | | 2x-x/6=33 | | 3-2d+5used=4 | | 180=2a+a+(a-10) | | x^3+15x-8000=0 | | 7d=-3 | | 9x-3x+5=x-4+9 | | 2x-1.58= | | a+2/4=-1/4 | | x+(x+2)=58 | | 3.4x-8=32.8 | | [4x+3]=7 | | 11x-5=8x+11 | | w/4=g | | 3/4x-2/3=x-5/2 | | r^2+3r-5=x | | (x+7)(x-8)=16 | | 12x+12y=126 | | 10-2(y-3)=y+1 | | 2f+4(f-3)=2(3f-5) | | r-14=63 | | 1+10x=10+x | | -3.4-4x=5.0 |