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)
((40*x^3*y^6*z^7)^2)/3 = 0
1600/3*x^6*y^12*z^14 = 0 // : 1600/3*y^12*z^14
x^6 = 0
x = 0
x = 0
| y(y-5)=24 | | 77-9x=32 | | 2+54=180 | | n+25=-25+12 | | 6s-25=75 | | 3k=2k+8 | | 32x-28=0 | | 7c-30=140 | | 5m=16-3m | | -2-2y=14 | | 5t-4=35+6 | | 3x-x=-10 | | 17=4x-9 | | 4a-12=16 | | 36x^2-26=0 | | -142-3x=61+10x | | x(6x+11)=40+x | | g(x)=7x^2-6x+8 | | r/4=12 | | 1x^2+1x-110=0 | | 76-r=-6 | | 37-5(x+.2)=23+.5 | | 6(x+8)=84 | | 6x-17*3x-4= | | t/9=9 | | 0.6667h=12 | | 2x=4+7 | | 9+5n=6n+1 | | 3x-9=29 | | 5.8x(-2.9)= | | t/5=1/2 | | 2x^2+26x+190=0 |