If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( k )
k = 0
k = 0
k = 0
k in (-oo:0) U (0:+oo)
125 = (100*(k/k+9)^1)/2 // - (100*(k/k+9)^1)/2
125-((100*(k/k+9)^1)/2) = 0
125-50*(k/k+9) = 0
125-50*10 = 0
125-50*10 = 0
-375 = 0
-375 = 0
k belongs to the empty set
| -5/9r=-15 | | 3600=10x^2-94x-300 | | 2x^2=2x-64 | | 16-(6X+8)=0 | | 8x+3(x+7)=4(3x+2) | | x/6=-16 | | 7(6X+8)=0 | | -47-2x=99-9x | | -5-x=-2x-6 | | 9u+2-3(-3-2)=2(u-5) | | n+46=47 | | 195=80x-5x^2 | | 15+h=-9+5h | | 2y^2+y-10= | | 4+(-8)-16-(-2)= | | 7.5+0.5m=30m | | 1.5625=(9+k)/k | | s/4=15 | | 0.06x-0.01y=3.3 | | 38=13b-14 | | b/3=12 | | 6(2z+3)+3z=22 | | 2(b+4)-(9+b)=-34 | | 2(9s+3)-3s=3(5s+2)-10 | | 6x-4-5x=0 | | y=-x^2+4x+7 | | (x^2)+x+1=0 | | 6x(2x-5)(x+5)=0 | | p-34=-21 | | 0=x^3-11x^2+39x-47 | | -2(y+2)=5y-8+2(4y+5) | | y=x^3-11x^2+39x-47 |