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 = 0
x = 0
x in (-oo:0) U (0:+oo)
3/100 = 10/x // - 10/x
3/100-(10/x) = 0
3/100-10*x^-1 = 0
-10*x^-1 = -3/100 // : -10
x^-1 = 3/1000
-1 < 0
1/(x^1) = 3/1000 // * x^1
1 = 3/1000*x^1 // : 3/1000
1000/3 = x^1
x = 1000/3
x = 1000/3
| 15y^2+62y-290=0 | | -5(3x-7)+4=14 | | 4Q-2000=Q | | 5Q-2000=Q | | Q-500=Q | | 3Q-1500=Q | | 6Q-3000=Q | | 15x^2+9x-10xy-6y=0 | | 5Q-2500=Q | | -7-9+m=4 | | 450x^2+180x^3-10x^4=0 | | (3x-8)(5x+7)=0 | | 2x+4(0)=6 | | 7(y-2)+3y=7y-14+3y | | 4(0)+2y=18 | | 3x-2=1+5 | | x(x-6)=-5y-34 | | N=kQ^1Q^2/s^2 | | 9X1/3= | | (2x-3)(x-2)+2x=x+1 | | 50=5w-10 | | (x-2)(x+3)=-34 | | (3x-2)2=144 | | x+4x+1=x+15 | | (4x-3)(3x-4)=0 | | (5z-2)(3-z)=0 | | 3x-0.08=x | | X(y-4)/5=2 | | 24-3(u-2)=u+8 | | y^3-3x-52=0 | | 4x/5-8/15=0 | | 5q/2-q/4=1/8 |