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)
(5/2)*x-(x*((x-3)/3)) = 5/6 // - 5/6
(5/2)*x-(x*((x-3)/3))-(5/6) = 0
(5/2)*x-(x*((x-3)/3))-5/6 = 0
(-1*x*(x-3))/3+(5*x)/2-5/6 = 0
(-1*2*6*x*(x-3))/(2*3*6)+(3*5*6*x)/(2*3*6)+(-5*2*3)/(2*3*6) = 0
3*5*6*x-1*2*6*x*(x-3)-5*2*3 = 0
126*x-12*x^2-30 = 0
126*x-12*x^2-30 = 0
6*(21*x-2*x^2-5) = 0
21*x-2*x^2-5 = 0
DELTA = 21^2-(-5*(-2)*4)
DELTA = 401
DELTA > 0
x = (401^(1/2)-21)/(-2*2) or x = (-401^(1/2)-21)/(-2*2)
x = (401^(1/2)-21)/(-4) or x = (401^(1/2)+21)/4
6*(x-((401^(1/2)-21)/(-4)))*(x-((401^(1/2)+21)/4)) = 0
(6*(x-((401^(1/2)-21)/(-4)))*(x-((401^(1/2)+21)/4)))/(2*3*6) = 0
(6*(x-((401^(1/2)-21)/(-4)))*(x-((401^(1/2)+21)/4)))/(2*3*6) = 0 // * 2*3*6
6*(x-((401^(1/2)-21)/(-4)))*(x-((401^(1/2)+21)/4)) = 0
( x-((401^(1/2)+21)/4) )
x-((401^(1/2)+21)/4) = 0 // + (401^(1/2)+21)/4
x = (401^(1/2)+21)/4
( x-((401^(1/2)-21)/(-4)) )
x-((401^(1/2)-21)/(-4)) = 0 // + (401^(1/2)-21)/(-4)
x = (401^(1/2)-21)/(-4)
x in { (401^(1/2)+21)/4, (401^(1/2)-21)/(-4) }
| w^2=9(w-5) | | 3x-19=173 | | 118=b-7b | | 6x+2+40=180 | | 2(2t-3)plust=12-t | | -2(4n+1)=16 | | 18-2p= | | 4x+3+27=180 | | 4x+6-3x-1=9 | | 4x+6-3x-1=11 | | y+61=180 | | 64x-128=0 | | 5(x+6)(x-1)-(2x^2-5x+3)=0 | | ln*3x-ln*15=2 | | 14-3x+8+5x=12 | | ln(3x-15)=2 | | y^2=2(2+24) | | 8/11c=3/8 | | 30x/70x | | Y=x^2+22x+40 | | r+r=0 | | Q=-8+0.3333333333P | | -17=-13-8x | | 4/ | | 3m+8+m= | | 4(5-8)(5-8)-7(3)= | | 5v-5=-20 | | 11-2(5+3x)=2(x-6)+14 | | 12.0=0.12x | | 40x/10-x | | F(x)=tan^4(x) | | 9+-4x=13 |