If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x <= 0
x/2 = 0
x <= 0
x/2 = 0
x/2 = 0
1/2*x = 0 // : 1/2
x = 0
x in (0:+oo)
ln(x)/(x/2) = 0
ln(x)/(x/2) = 0 // * x/2
ln(x) = 0
ln(x) = ln(e^0)
x = e^0
x = 1
| 2x^(2/3)-19x^(1/3)-14=0 | | kx^2-9x+4k+1=0 | | 8m-1=-9+1+7m+2 | | x+3-4=x+5 | | 5-5m=0 | | Cos(pi/6t) | | y=0.5(h+8)3 | | 3(5x-8/6)-3=18 | | -7b+28= | | 10y^2+12y-144=0 | | 12-6h=18 | | 2p-4=-10 | | 7b+28= | | 0.06x+0.14(50000-x)=4500 | | 5(x-4)+3x=8+2x | | .4x+.4y=-23.2 | | -x+(-1/4x)+(-7/16x)=-131/2 | | -5+8-(-3x)-6=22 | | -x+(-1/4x)+(-7/16x)=-13/12 | | 5x-40+26=-9 | | 8x-2x=8x+8 | | x+4.81=12.95 | | F(x)=4x^2-12x^2-16x | | 45+30=15 | | y=(-1/4x)-2 | | -16x^2+64x+1024=y+1024 | | y=12-.5x | | 7=x(-3-6)(-3+9) | | 5x-14+26=-9 | | 2-(2x-4)=2x-9 | | 1-7m=8-6m | | x+5=4-x+3 |