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^3*((8*x^7-(18*x^3))/2) = 0
x^3*((8*x^7-18*x^3)/2) = 0
(x^3*(8*x^7-18*x^3))/2 = 0
8*x^7-18*x^3 = 0
2*x^3*(4*x^4-9) = 0
4*x^4 = 9 // : 4
x^4 = 9/4
x^4 = 9/4 // ^ 1/4
abs(x) = (9/4)^(1/4)
x = (9/4)^(1/4) or x = -(9/4)^(1/4)
2*x^3*(x-(9/4)^(1/4))*(x+(9/4)^(1/4)) = 0
(2*x^3*x^3*(x-(9/4)^(1/4))*(x+(9/4)^(1/4)))/2 = 0
( 2*x^3 )
2*x^3 = 0 // : 2
x^3 = 0
x = 0
( x+(9/4)^(1/4) )
x+(9/4)^(1/4) = 0 // - (9/4)^(1/4)
x = -(9/4)^(1/4)
( x-(9/4)^(1/4) )
x-(9/4)^(1/4) = 0 // + (9/4)^(1/4)
x = (9/4)^(1/4)
( x^3 )
1*x^3 = 0 // : 1
x^3 = 0
x = 0
x in { 0, -(9/4)^(1/4), (9/4)^(1/4), 0 }
| 34+3n=-2(n+3) | | (1/x)*(24/3)=1/3 | | 13x+29=4x+299 | | x/1.3=3.4 | | F(x)=6x-3x^2 | | 4x-3a=2y | | 3x-5=11-77 | | -4=(7/33x) | | n/-25=4/-20 | | .5x+5=1x | | 2*2+5-5= | | X=-0.4+-0.4y | | 2.9-5.2n-4n+8= | | 3x-5(x-3)=-2+4x-19 | | .9=(r/4) | | 4X=-85 | | -38+2n=4(1-3n)-7n | | 40x+14(x(1.5))=1165 | | 6^3x-4=1/36 | | 57x^5/19x^2 | | 5n-4-3n=2 | | 20x-6x=92+8-10 | | 5x-2a=8a | | 9x=-135 | | 3x^2=9x-2 | | Log(4)20= | | 2y-3=14 | | 1110x=44(x+60) | | 1/7y-4=-17 | | 3(y+1)=2y+7 | | p(a)=a^3-10a+34a-40 | | -4(x+6)=-24-5x |