z^8+16z^4+256=0

Simple and best practice solution for z^8+16z^4+256=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for z^8+16z^4+256=0 equation:


Simplifying
z8 + 16z4 + 256 = 0

Reorder the terms:
256 + 16z4 + z8 = 0

Solving
256 + 16z4 + z8 = 0

Solving for variable 'z'.

Begin completing the square.

Move the constant term to the right:

Add '-256' to each side of the equation.
256 + 16z4 + -256 + z8 = 0 + -256

Reorder the terms:
256 + -256 + 16z4 + z8 = 0 + -256

Combine like terms: 256 + -256 = 0
0 + 16z4 + z8 = 0 + -256
16z4 + z8 = 0 + -256

Combine like terms: 0 + -256 = -256
16z4 + z8 = -256

The z term is 16z4.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16z4 + 64 + z8 = -256 + 64

Reorder the terms:
64 + 16z4 + z8 = -256 + 64

Combine like terms: -256 + 64 = -192
64 + 16z4 + z8 = -192

Factor a perfect square on the left side:
(z4 + 8)(z4 + 8) = -192

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 9x-8=8x+3 | | 5(-8x+2)-3=9x-7(3x-10) | | X+6y=132 | | 5u+15=10 | | 4e-3e-2e=-9 | | 6(x+8)=5(x-6) | | -18-3x+9=24x-9x-9 | | 5u+15= | | 9x+30=y | | 1/3x*3-1 | | 7(x-1)-2(x-6)=2(x+5)+6 | | 3/4-1/2b=5/8 | | 56=-4(-7+x) | | 5/24x12/25x24/5 | | 5(w-9)=5w-45 | | 2[b-(4b-5)]=3b+5 | | 2-5(y-1)=3y+(y-4) | | 9y+3y-15=45 | | 69-7x+3x=102 | | 8m-29=36 | | 8=6y-5y+2 | | 69-6x+3x=102 | | X-500=4800 | | 13(z+3)-4(z-1)=4(z-3)+4(z-4) | | 80-40=30+x | | 4[2t-(3-t)+5]=-(2+7) | | 2(3-x)=-2x | | y+9x=30 | | 5x^2-28x+36=0 | | 10y/20y | | 8.27=2.9ln(x) | | 40-3h=-23 |

Equations solver categories