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)
2*x-((1/3)*x^2) = 0
(-1/3)*x^2+2*x = 0
2*x-1/3*x^2 = 0
DELTA = 2^2-(-1/3*0*4)
DELTA = 4
DELTA > 0
x = (4^(1/2)-2)/(-1/3*2) or x = (-4^(1/2)-2)/(-1/3*2)
x = 0 or x = 6
x in { 0, 6 }
| 5+91x=52+17x | | 10-3x=x-6 | | 3(-1x+2)=-15 | | -7(3-5x)=49 | | 5t^2+15t-90=0 | | -1/b=-2 | | X*1/3x | | Ln(x^2-4)^1/2 | | 7a-4-a=-3(1-3a)-(a+5) | | -2(7x-5)=-116 | | 6(n-7)=-90 | | -5(1-3x)+5x=3(6x-5) | | 3x^2+7xy+5y^2-6x-7y+15=0 | | 5(-1x-2)=-30 | | y=63whatisx | | -91=-3x-8(5x+6) | | 1+5(7n+8)=-5n-39 | | 5t-d=p | | 2x+9=5x-21 | | 8z-6=z+6 | | 4/b=4 | | (X)(x)-4x=12 | | 20x=4000000000000000000000000000000000 | | -1+7x=5x-11 | | 2x+9=8-7x | | -6(6n+3)=-234 | | 7x-5=6x-w | | 5+7x=-x+69 | | 4/b=8 | | 8(1+3x)-1=-7(x-1) | | Log1/5x=-1 | | 8/X=10/6 |