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)
-3/u = -6 // + 6
6-3/u = 0
-3*u^-1 = -6 // : -3
u^-1 = 2
-1 < 0
1/(u^1) = 2 // * u^1
1 = 2*u^1 // : 2
1/2 = u^1
u = 1/2
u = 1/2
| 13z/3-9z/2 | | x(x+8.9)=-18.7 | | 684/b=-9b | | x+18+2x=-132x-19 | | 33+3y-5=11y-14-2y | | x(x+8.9)=-18-7 | | 2ln(6x)=15 | | y+8=x+3 | | y=36a(2)+24a | | x+24+3x=-10-3x-15 | | 684/b=-9•b | | 2(x+8)=3(x-3) | | 25x+.10=5.95 | | y-2xy-y^2=0 | | 3*x^2+10*x+2=0 | | y=5a(2)-15 | | y=16x+17 | | 2x-9y=-4 | | x^2+8.9x+18.7=0 | | y=(-4)+9 | | y=a(2)b(2)+a | | 9x-15y=33 | | 4(x^2-10x-7)=0 | | y=a(2)b | | 3x+-5=y | | 6400=-16t^2+800t | | 5x+2=x-3 | | 3/5^3/4 | | (-x+9)=2x-3 | | y=14x-21x(2) | | 3/5*3/4 | | 7x-4=360 |