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)
2/x = 22/99 // - 22/99
2/x-(22/99) = 0
2/x-2/9 = 0
2*x^-1 = 2/9 // : 2
x^-1 = 1/9
-1 < 0
1/(x^1) = 1/9 // * x^1
1 = 1/9*x^1 // : 1/9
9 = x^1
x = 9
x = 9
| 40x+[46(1.5x)]=5166.67 | | 3/5=n/35 | | y=4600sin(0.047-0.893) | | g(x)=7x^4-3X-8 | | y=3cos(3x-c) | | -6m^4+48m=0 | | 4y-10=0 | | 5x^3+34x^2-2x=0 | | 1/81x^6-8/27x^3+16/9 | | 1025/(8+e^4x)=5 | | x^10-49=0 | | 9cr^2-24cr-84c=0 | | -42-16y+15=-33y+29+10y | | s-1=0 | | 47x^2=1128 | | 9x^2-54x+4y^2+8y+49=0 | | 6m-5/12=10-2m/4 | | 47x^2=1175 | | 750.00+10.50x=19.50x | | 2/y+7/2y=6/5 | | 2x-35=x | | 7.5t-6.6=1.65 | | x-3=-2+4 | | 0.5p=-60 | | 3y+7=2y-4 | | -21.1+n=-26 | | 4=t-0.001 | | 2(y+4x-3)= | | 15000=273x-x^2 | | 1.75/x=15 | | 1.75/(x-0.03)=15 | | 12x=-6+10y |