If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( u )
u = 0
u = 0
u = 0
u in (-oo:0) U (0:+oo)
6/u = 2 // - 2
6/u-2 = 0
6*u^-1 = 2 // : 6
u^-1 = 1/3
-1 < 0
1/(u^1) = 1/3 // * u^1
1 = 1/3*u^1 // : 1/3
3 = u^1
u = 3
u = 3
| 9/b=3 | | 9x-1=6x+3 | | 3(j+1)=9 | | d+87=11(1-d)+12d+76 | | 12-7x-4-x=11-8x+2x | | 10x^2+5x+1=10 | | 10x^2+5x+5=0 | | 6/g=3 | | 10x^2+5x+1=0 | | z=0.5y*x^2 | | 2x^34=50 | | -1+9=3b-7-2b | | 6x+2x+5=2x | | cos(x+5)=sin(3x+9) | | [x-3]=2x+5 | | pq^2+pq+p^2q= | | 6x^3-9x^2-36x+8=0 | | 5y^2+40y-75=0 | | .28x=2556.36 | | 4+6=446 | | 4n-24=56 | | 5x-55=-130 | | 5n+5-7n=15-12n+10n-10 | | 0.5(4x-8)=6x+10 | | 3G+24=9f | | -8x^2+12x+2=4x | | (x+1)(x+2)(x-2)=x^3+8 | | t*3-4=15 | | 9xy/7= | | -58+5y+4=3(4y-3)-3 | | 7m-22=32 | | 3/(w-3)-3/5=w/(w-3) |