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)
4/x-2/x+2 = x/x+2 // - x/x+2
4/x-2/x-(x/x)-2+2 = 0
4/x-2/x-2-1+2 = 0
2*x^-1 = 1 // : 2
x^-1 = 1/2
-1 < 0
1/(x^1) = 1/2 // * x^1
1 = 1/2*x^1 // : 1/2
2 = x^1
x = 2
x = 2
| s+(3s+0.02)+(s-0.12)=4.6 | | 3(4m+6)-5(2m-4)=6(3m+5)-2(3m-11) | | 12D=15D | | 70-6x=21x+19 | | 2k+17=-2(8-k) | | 10-10x=25-17x | | 5+92=12-6 | | 5(6+36)= | | 3(x-7)=x+7 | | 7x+3y=-20 | | 4x+17=13x+64 | | 103-7x=38x+18 | | 2x^2+14+22=X+4 | | 4(2x+2)+2(2x-4)=2(x+3)+3(2x+6) | | 10y-60=-10 | | 2x-32-x=2x-41-x | | 3+4=0 | | 2x-5+2x-5=90 | | f=-1+2x | | f=6x-1+-4x | | 47-15=4(x-8) | | .05n=85 | | 0.355=1.0868x+0.0033 | | f(x)=-4x^2+6 | | 5x-5=7+4x | | 4*x^3+12*x^2-40*x+9=0 | | 0.346=1.0868x+0.0033 | | 8y+10x=40 | | 8y+10x=49 | | 5v^2-31v=28 | | 2/7*-5/-9*3 | | 2X+12=4X-2 |