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)
((256*x^12*y^8)^1)/4 = 0
(256*x^12*y^8)/4 = 0
64*x^12*y^8 = 0 // : 64*y^8
x^12 = 0
x = 0
x = 0
| 6-7-2= | | a/4-12=3 | | (4x-9)(1x-3)(1x+5)= | | 4(3x-4)=5(3x-4) | | (4x+15)= | | E=200-0.8(y-200)+200+0.1y+100+150-150-0.15y | | x(2+x)=3 | | 5y-21/4=223/4 | | x^2+8x+16=12x+x^2 | | 7/20/21/40-2/9x3/4 | | N^2-14N+49=3 | | 3/10=x/70 | | x^3-63x+154=0 | | x^2+16=13x | | 6x^2-11x-10=-3x^2+9x+11 | | 3x+5x+4=20 | | (2x-3)(x-4)=21(x-2) | | c^2-10c= | | 0.76=-log(x) | | 6=3x+x-14 | | Log(x+3)14=1 | | 2x+3=14X | | x+5*x+5=x+395 | | 2s-3s=50 | | 2d-d=-10 | | 12xh=30 | | -3y-y-20=8 | | 1cos^2x+6cosx+5=0 | | x+3x=7-3 | | x^5+129x^4-225x=0 | | 4ab-6ax= | | 2p^2=2p+12 |