If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( h )
h = 0
h = 0
h = 0
h in (-oo:0) U (0:+oo)
8 = 40/h // - 40/h
8-(40/h) = 0
8-40*h^-1 = 0
-40*h^-1 = -8 // : -40
h^-1 = 1/5
-1 < 0
1/(h^1) = 1/5 // * h^1
1 = 1/5*h^1 // : 1/5
5 = h^1
h = 5
h = 5
| 2x=6/2 | | -5v-2=2v^2 | | x^2=6x-6 | | -52/13 | | 20-4g=16 | | N^2-3n-26=2 | | W=4p-16 | | -10+10v=8v+10 | | 5+2(3x+4)+x=9+7x | | ((50(x))+x)+(45(2))+((-20)(10))=5000 | | 2d=3d+6 | | 6(3w+9)= | | 12(x+20)=350 | | X^2+2xr-r^2=0 | | (x)(x)+10x=9 | | 72=14u-6u | | y(1-y)=6y | | a+(a-40)=180 | | 3x/7-1=4 | | 1x*1.585x=2477 | | -1.6x=-160 | | -10(x+14)+42=-19-19 | | 7x-22=15x-6 | | .33x-4=.67(3x-2) | | ((50(x))+x)+45+((-20)(20))=500 | | 7(x-3)=9-3x | | x^2+2x-.333=0 | | Y=5*0.5 | | 2.31x+36=5.3361+6x | | 6-x/4-x=4/5 | | 25a^4b^8-49x^8y^10=0 | | 5w-11= |