If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
2*x+1 = 0
2*x+1 = 0
2*x+1 = 0
2*x+1 = 0 // - 1
2*x = -1 // : 2
x = -1/2
x in (-oo:-1/2) U (-1/2:+oo)
(2*x^3+15*x^2-(29*x)-18)/(2*x+1) = 0
(2*x^3+15*x^2-29*x-18)/(2*x+1) = 0
2*x^3+15*x^2-29*x-18 = 0
2*x^3+15*x^2-29*x-18 = 0
{ 1, -1, 2, -2, 3, -3, 6, -6, 9, -9, 18, -18 }
1
x = 1
2*x^3+15*x^2-29*x-18 = -30
1
-1
x = -1
2*x^3+15*x^2-29*x-18 = 24
-1
2
x = 2
2*x^3+15*x^2-29*x-18 = 0
2
x-2
2*x^2+19*x+9
2*x^3+15*x^2-29*x-18
x-2
4*x^2-2*x^3
19*x^2-29*x-18
38*x-19*x^2
9*x-18
18-9*x
0
2*x^2+19*x+9 = 0
DELTA = 19^2-(2*4*9)
DELTA = 289
DELTA > 0
x = (289^(1/2)-19)/(2*2) or x = (-289^(1/2)-19)/(2*2)
x = -1/2 or x = -9
x in { -9, -1/2, 2}
(x+9)*(x+1/2)*(x-2) = 0
((x+9)*(x+1/2)*(x-2))/(2*x+1) = 0
( x+1/2 )
x+1/2 = 0 // - 1/2
x = -1/2
( x+9 )
x+9 = 0 // - 9
x = -9
( x-2 )
x-2 = 0 // + 2
x = 2
x in { -1/2}
x in { -9, 2 }
| -2x+5y=5+2x | | 31/5-15/6 | | -6z=12-7z | | (28x^2-3x+1)/(4x+3) | | 0.85+.05(20-x)=.10(122) | | T+14kN+N=0 | | 14-7z+8z-24=2z | | r=9r-20 | | 7x+5y+6z-2x+2z-7y= | | X+(.65x)=5000 | | 19n=2+18n | | 2m-20=-55+9m | | -3(x-9)=-2x | | 2(3x-5)=2(3x-1) | | 25x^2-36=13 | | 3(2t-5)=3(4+-3) | | 8(9c-3)= | | 2s^2+11s-216=0 | | 7(4+5*7)= | | 19-(12-6k)=14+7k | | .65x=5000 | | 2r-sy=-8 | | 2r-sy=0 | | 8x^2-18x+7=02 | | 12x-3=62 | | 3x+8=37 | | 25x^2-36=589 | | 4t-r=12 | | 8x-6y=-42 | | 3v^2-33=-6 | | 4x^6y^-10z^4/6y^10z^-10x^16 | | 3(z+10)=8z |