If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
(8*z*(8*z^3-10))/2 = 0
( 8*z )
8*z = 0 // : 8
z = 0
( 8*z^3-10 )
8*z^3 = 10 // : 8
z^3 = 5/4
z^3 = 5/4 // ^ 1/3
z = (5/4)^(1/3)
z in { 0, (5/4)^(1/3) }
| 75*x=470 | | 3xz-10=20 | | C-0.34c= | | z+y=0 | | 2(2x+5)-4=38 | | 0=-2-y | | B-12=-7 | | (4x+5)log(10)=log(3.5) | | 9C-5f+160=0 | | -x+20=11 | | v=1/3bh;b=12,h=14 | | y=8000x+20000 | | r/-18=18 | | 2m+9=4m-6 | | 8x-3(x-3)= | | 2r=24 | | X^2+2x-91=0 | | 2m+5-6m=53 | | 3m-4=m+7 | | 57=5w+12 | | 105/35=27/n | | (5y+2)-Y=6 | | 216/2.5 | | 8h+7h-25=95 | | 2v=v+96 | | 3.56/14 | | X^2+2x-101=0 | | 5m-(5+4m)=(3+m) | | 2.58/8 | | 5r+8=-19-4r | | 1430/1210 | | 7+(c+3)= |