If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(x^2)/3-((7*x^1)/3)+6 = 0
(x^2)/3+(-7/3)*x+6 = 0
1/3*x^2-7/3*x+6 = 0
DELTA = (-7/3)^2-(1/3*4*6)
DELTA = -23/9
DELTA < 0
x belongs to the empty set
| 1/2*29*10 | | 33/5=x+6 | | 7/9+x=115/9 | | x/-3=-3 | | -4/9+x=10/99 | | x-1=-1/4 | | -x=-11/12 | | x2/5-10x1/5+9=0 | | -2/7+x=54/7 | | x+3/8=35/8 | | x/6=-5/7 | | x+2/9=-25/9 | | -1/2x=-9/20 | | -52/7=x-8 | | -1/6=x+5/6 | | x+3=25/8 | | x+1=19/12 | | 4x=28/11 | | 62-19x=49-5.8x | | x-2/3=13/3 | | 3+x=19/5 | | 2/7+x=20/21 | | 5/9+x=52/45 | | 7x=-7/3 | | -14/3=x-5 | | 9+x=15 | | 43/42=x+6/7 | | -1/4=x+1/2 | | 2+x=26/11 | | 2x=14/11 | | x+4=54/11 | | -3/7x=3/7 |