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)
3/2 = 6/n // - 6/n
3/2-(6/n) = 0
3/2-6*n^-1 = 0
-6*n^-1 = -3/2 // : -6
n^-1 = 1/4
-1 < 0
1/(n^1) = 1/4 // * n^1
1 = 1/4*n^1 // : 1/4
4 = n^1
n = 4
n = 4
| 50y^2+2=0 | | 0.75x=-2.25 | | 4g^2=1 | | x-6.5=15.9 | | In(x+12)+In(x-4)=2Inx | | Ln(4x)-ln(3)=5 | | x^2+7x=33 | | 9/20÷3/4 | | 7v+9-8v=-31 | | -12=4+k | | -8y-11=12 | | Y=4x^2-28x+49 | | 2(x-3)-5=7-4x | | 0.3y+11=0.5-3 | | 9x=-12x^2 | | 42=3v+4v | | 2704t=16t^2+2704 | | 3(x+2)=3*3x | | X-9+2x-6= | | 2sec^2x+tanx-4=0 | | -20-9z=-5-7(7z-15) | | 3-1(9m+6)-(m+3)= | | 2(2a)-3= | | M^3+8m=-3 | | w^2-16w= | | 5(x-8)=-5x+10 | | 5(16f+19)+2=-17f | | 3(x+2)=3.3x | | 3[(x)-3]+5=8-[4(x)-3] | | 8(-3w+20)+16=8(-w+2) | | 4*(11/8*g) | | 4x^2+9x=o |