If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
3*x+1 = 0
3*x+1 = 0
3*x+1 = 0
3*x+1 = 0 // - 1
3*x = -1 // : 3
x = -1/3
x in (-oo:-1/3) U (-1/3:+oo)
(27*x^3-(9*x^2)+2)/(3*x+1) = 0
(27*x^3-9*x^2+2)/(3*x+1) = 0
27*x^3-9*x^2+2 = 0
27*x^3-9*x^2+2 = 0
{ 1, -1, 2, -2 }
1
x = 1
27*x^3-9*x^2+2 = 20
1
-1
x = -1
27*x^3-9*x^2+2 = -34
-1
2
x = 2
27*x^3-9*x^2+2 = 182
2
-2
x = -2
27*x^3-9*x^2+2 = -250
-2
{ 1/3, -1/3, 1/9, -1/9, 1/27, -1/27, -1/3, 1/3, -1/9, 1/9, -1/27, 1/27, 2/3, -2/3, 2/9, -2/9, 2/27, -2/27, -2/3, 2/3, -2/9, 2/9, -2/27, 2/27 }
1/3
x
1/3
27*x^3-9*x^2+2 = 2
1/3
-1/3
x
-1/3
27*x^3-9*x^2+2 = 0
-1/3
x+1/3
27*x^2-18*x+6
27*x^3-9*x^2+2
x+1/3
-27*x^3-9*x^2
2-18*x^2
18*x^2+6*x
6*x+2
-6*x-2
0
27*x^2-18*x+6 = 0
DELTA = (-18)^2-(4*6*27)
DELTA = -324
DELTA < 0
x in { -1/3}
x+1/3 = 0
(x+1/3)/(3*x+1) = 0
x+1/3 = 0 // - 1/3
x = -1/3
x in { -1/3}
x belongs to the empty set
| 6+2(3j-2)=4(1+f) | | x-3/4=x/2+1/6 | | G=7/6(p-43) | | 2x+4/2=8 | | (2-8)+(5-7)-(-9+6)-(5+7)= | | 21+15*5-y+14=88 | | 21 + 15 x 5 - y + 14 = 88 | | -15=6p+15-10 | | 8=m-9 | | (5-7)-(11-4+2)= | | 14ab^2-10ab= | | 3(25+0.25y)-2y=100 | | 4x(2x+2)=0 | | 2x+12=5x-21 | | (1.8-0.3y)(2y+9)=0 | | 13-(9+5)= | | 5+6w-5w=3-1 | | x^2-(3x/2)-96 | | -x+1=24 | | x^2-(3/2)x-96 | | x-3/3=1-x/3 | | x+y+3x-2y=100 | | -4x-8=6x+12 | | x-(-15)+19=7 | | z/3+31=95 | | 1/2x6/1 | | -18-7=x | | 1/2x6 | | 3t+7=-18 | | 4x^3+2x^2+20x+10=0 | | 1/2x6+4x6+9 | | 7x^3-27x=0 |