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^4*((12*x^8-(8*x^3))/4) = 0
x^4*((12*x^8-8*x^3)/4) = 0
(x^4*(12*x^8-8*x^3))/4 = 0
12*x^8-8*x^3 = 0
4*x^3*(3*x^5-2) = 0
3*x^5 = 2 // : 3
x^5 = 2/3
x^5 = 2/3 // ^ 1/5
x = (2/3)^(1/5)
4*x^3*(x-(2/3)^(1/5)) = 0
(4*x^3*x^4*(x-(2/3)^(1/5)))/4 = 0
( 4*x^3 )
4*x^3 = 0 // : 4
x^3 = 0
x = 0
( x-(2/3)^(1/5) )
x-(2/3)^(1/5) = 0 // + (2/3)^(1/5)
x = (2/3)^(1/5)
( x^4 )
1*x^4 = 0 // : 1
x^4 = 0
x = 0
x in { 0, (2/3)^(1/5), 0 }
| a^3b^2/a^2b | | 7x+21=84 | | -10=4x+(-6) | | -65=-6x-2x-9 | | 1.1-z=2.2 | | 30/8-2y/16=22/6-3y/12 | | Y=2cos(3x-30) | | 4(x)+1=21 | | 9-72/288-7= | | 6(a-4)=-3(2-3a) | | (22-2x)+(4x+16)+(5x+7)=55 | | 2x+3y-4=o | | 21-7y=20 | | 30/8-2y/16=13/6-3y/12 | | 4x-2(-3x-7)-10=-6x-4 | | -6(5n+1)=6(-7n-5) | | 30/8-2y/8=13/6-3y/6 | | 30/8-2/8y=13/6-3/6y | | 16x^2-x^2v^4=0 | | 4x^2-6x-48=0 | | -3x+8=16+x | | 25y=20 | | -3x+8=16+8 | | 8(6y-5)-(2y+2)= | | 6=4(r+2)+2(1-4r) | | 8-45=1s+13 | | z^14/6z^9 | | 4a^3-ab^2=0 | | 9db^2-d=0 | | (28x-9)+(-23x-5)= | | 2263/ | | 6(2y-5)= |