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)
8*x^4-(x^2*((14*x^3)/2)) = 0
8*x^4-7*x^5 = 0
8*x^4-7*x^5 = 0
x^4*(8-7*x) = 0
8-7*x = 0 // - 8
-7*x = -8 // : -7
x = -8/(-7)
x = 8/7
x^4 = 0
1*x^4 = 0 // : 1
x^4 = 0
x = 0
x in { 8/7, 0 }
| 4ax-8(x+b)=0 | | y=x^4-4x^3+6 | | (5y-8)(7+4)=0 | | -4z(z-2)(z+9)=0 | | 3ax-3bx-2ay+2by= | | 120+10z=180 | | 2-3*x/4-5*x | | Y=9a^2-3a-30 | | n/100=22/40 | | -(8x-4/5) | | 2x+4=8-4-5-7/2 | | 6x-(8x-4/5)=4x-7 | | 5x-2(x-2)=-8+5x+6 | | 2x+4=8-4-5-7 | | 2x+4=8-4 | | 6(-1-5x/8)-x=4(-1-5x/8)-7 | | 120+10z= | | 3=3-4t-6t | | (m^x)^(1/3)=m^(-12) | | 9/12=b/48 | | 13y=19 | | x^2+y^2+z^2=20x | | (7x-9)(2x+6)=0 | | 3.25x-y=-.75 | | X/13=19 | | .80(5300-x)=4480-.85x | | 21-x/6=x/12 | | 0.35*94= | | (X+2)+(x-2)+x=90 | | x*60+y*65=800 | | (1/3)^2-3t | | 7=6m-17 |