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-(4/x)-3 = 5 // - 5
3/x-(4/x)-5-3 = 0
3/x-4*x^-1-5-3 = 0
-1*x^-1 = 8 // : -1
x^-1 = -8
-1 < 0
1/(x^1) = -8 // * x^1
1 = -8*x^1 // : -8
-1/8 = x^1
x = -1/8
x = -1/8
| 5x^8+39x^4-8=0 | | 7x-23-3x=29 | | -2x-10+x=15 | | Y=-4x+6Y=5x-21 | | -83-9x+x=101 | | (12k^4)+(5k^2)-2=0 | | X+13x+40=0 | | 4x-50-10x=22 | | 6y-25=125 | | 4x-5p-10x=22 | | -10x-154-5x=41 | | 6y^2-7y+7=0 | | f(8)=(2x-8) | | -50=-t^2-5t | | 8x^2-21xy-9y^2=0 | | 3a+5=-28 | | 5w-5=5w+5 | | 36x+2=4 | | 2-16t=(-3t+2) | | 0.13y+0.05(y+6000)=1380 | | 18r=24r^2 | | 15y^2-15y+7=0 | | 2p(6p-18)=0 | | (x-9)(2x+4)=0 | | 25x^2/(5x-2) | | 7x-3=67forx | | 12x+72-30= | | 3h^2+6h=0 | | -3/7x=-6 | | f(5)=(2x-8) | | 16x^4+22x^3-4x^2= | | 4x^2-1x+1=0 |