If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
3*y-(y*((12*y^2)/3)) = 0
3*y-4*y^3 = 0
3*y-4*y^3 = 0
y*(3-4*y^2) = 0
-4*y^2 = -3 // : -4
y^2 = 3/4
y^2 = 3/4 // ^ 1/2
abs(y) = (3/4)^(1/2)
y = (3/4)^(1/2) or y = -(3/4)^(1/2)
y = 0
y = 0
y in { (3/4)^(1/2), -(3/4)^(1/2), 0 }
| x^2=-0.36 | | w^2+12w+36=0.11111 | | (2.5x+15)(2x+12)(x^2+12x+4)=720 | | 16xy+40yz= | | (b+8)= | | 6+ln(27x)=21-2ln(x) | | 6m-10=20+m | | 8a=a+7a | | f(x)=2x^3+128 | | 7p+4=12+6p | | x/-33 | | 4x16x32/2 | | 5.2x-2=4.2x | | X=17-.5y | | 5r+3=-22 | | -16x^2+60x+16=0 | | f(x)=-16x^2+60x+16 | | -3y+15x=12 | | -1/7t=4 | | -5x+4(1.5x-3)=16 | | 20=(x-89)/13 | | 3/5w=3/10 | | 3-5(2x-1)^2/5=-17 | | -x^2=-25 | | x^2+20x=-5 | | -5x+4*1.5x-3=16 | | (0,5)5+4y=7 | | 7x+8=2x-7 | | -5^2-9/5^2-5 | | X-6/2=-10 | | m=-5^2-9/5^2-5 | | -5(4n+4)=25 |