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)
x+4/x-2-1 = 0
1*x^1+4*x^-1-3*x^0 = 0
(1*x^2-3*x^1+4*x^0)/(x^1) = 0 // * x^2
x^1*(1*x^2-3*x^1+4*x^0) = 0
x^1
x^2-3*x+4 = 0
x^2-3*x+4 = 0
DELTA = (-3)^2-(1*4*4)
DELTA = -7
DELTA < 0
x in { }
x belongs to the empty set
| 18=.150*x | | 3(n-2)+58=3(n-2)+58 | | 5x/2+4=x+13 | | 3x-26=0 | | 2g+3=g | | 6(3v+2)-3(4v+5)=4(v-6)+w | | 3(a-2)+8(a-3)=8 | | 11/8=-7h | | 33=11x | | 3x=5x+12 | | x-(x*.25)=200000 | | 4n+21-2n+21=-4 | | 2x+39=0 | | 9x+3/5 | | 3r(-5)=2(4r-9) | | 6-2x=4x+18 | | -1.3=n-(-6.12) | | 2w-4+18=15 | | 3/5(x-10)=27 | | -2n+26+4n=54 | | 48+3d=7 | | 307.75=3.14*r^2 | | 6+10k=25b | | 4(x-3)=-1 | | 2x+6=5(x+3/5) | | 5/4x=1/2 | | 100x+30=120x+10 | | r/4+3=14 | | 10x-8x=20-15x | | -.3(n+8)+.3n=1-n | | -9x+10=64 | | 1/2(x+6)-x=1 |