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/x = 48 // - 48
3/x-48 = 0
3*x^-1 = 48 // : 3
x^-1 = 16
-1 < 0
1/(x^1) = 16 // * x^1
1 = 16*x^1 // : 16
1/16 = x^1
x = 1/16
x = 1/16
| x=1/4y^2 | | 16x^4-5=-4 | | 9a+3b+4a-6b= | | 98x^2-20x+1=-2x^2 | | -46=x+4x-6 | | 6a+b=8 | | 10-4x-4x=-38 | | 6a+b=32 | | 8+x+5x=-64 | | 9-7x=-61 | | g-6=20 | | 48=4n+2 | | 5+90= | | 2x+34=4(x+5)e | | (x^2+2*x)*(x^2+2*x-2)=3 | | (X^1/2-1)/(2x) | | (2x)/(x^1/2-1) | | 20(x+9)=15(2x-2) | | 4a-3c=ac+6 | | -4+2x=2y | | 4x+30=4(5x+2)-10 | | (2x)/(x^1/2-1 | | ln(x)=2.72 | | 3(x+5)=4*3x | | -27x=79 | | 31/tan | | 15x^2-67x-72=0 | | 2/12=7/n | | 0=-4x(7x+21) | | 16/12=n/18 | | 325x+150y=127500 | | -6a+8a-10=0 |