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)
-36/h = -9 // + 9
9-36/h = 0
-36*h^-1 = -9 // : -36
h^-1 = 1/4
-1 < 0
1/(h^1) = 1/4 // * h^1
1 = 1/4*h^1 // : 1/4
4 = h^1
h = 4
h = 4
| 17-x/3=17 | | 1/6x=4y | | 4t-5+9=5t-9 | | (12×5)/15 | | c/3=-9 | | (x+7)-(x+6)=0.1111 | | Y-10=15/4(x-3) | | 10/y=-5 | | X^2x-63=0 | | 2x^3-5x=250 | | 6.4=j/4 | | -27/b=-3 | | 4p+12q=20r | | 12/z=6 | | m/3-5 | | 6i=19.8 | | 17x-144=198-7x | | 5x^2+5y^2-3x+10y-3=0 | | (200/3)/6 | | 2x+3(3x-7)=-109 | | 5t-1=3t+3 | | 10/h=2 | | X^4-12x^3-14x^2-300x-275=0 | | (9k-3)(2k+8)= | | G-25=50 | | (-a^2b/5ab^3)^3 | | 9x+13=25 | | -8x+5y=-28 | | 90=1.5X | | 6(2y-8)-(8y+6)= | | 12u=24+4u | | -8(6+7r)+5r=38-8r |