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^2+2*x+2/x-1 = 2*x+3/x-1 // - 2*x+3/x-1
x^2+2*x-(2*x)+2/x-(3/x)-1+1 = 0
x^2+2*x-2*x+2/x-3*x^-1-1+1 = 0
1*x^2-1*x^-1 = 0
(1*x^3-1*x^0)/(x^1) = 0 // * x^2
x^1*(1*x^3-1*x^0) = 0
x^1
x^3-1 = 0
{ 1, -1 }
1
x = 1
x^3-1 = 0
1
x-1
x^2+x+1
x^3-1
x-1
x^2-x^3
x^2-1
x-x^2
x-1
1-x
0
x^2+x+1 = 0
DELTA = 1^2-(1*1*4)
DELTA = -3
DELTA < 0
x in { 1}
x = 1
| 3+(-14)=y | | 3=-2/5+1u | | 2/5x+1/3x+32 | | 11/y+34/y=5 | | -9=2 | | 7=x-0 | | x^2-20xy+100y^2=0 | | 1x+1y+1z=105 | | -2(x-3)-(4x-5)-(2x+1)=6x-7 | | 2/5+1x=1/3 | | (2y^1/5)^4/y^3/10 | | x^2+14xy+13y^2=0 | | 2ln(2)= | | 6x+8x^2= | | 0.1x+0.8y=-3.2 | | 9r+4s-9(9r-8s)= | | 0+x=-2 | | (a-5)(2a-7)=0 | | x-3/8=-1/4 | | 200=210/1+X | | 0.9z-0.3(z+11)=0.6(z+5) | | (6-u)(3u-4)=0 | | (6y^1/4)/y^1/12 | | -2+s=-3 | | x+1200=1387 | | -2x+1=57+6x | | z/5x | | 3x+6x^2= | | M+0=-17 | | 5x+7=56 | | 64x+7=32x+135 | | 4(6x-7)+40=-8(x-4)+15x-3 |