x^8-16=0

Simple and best practice solution for x^8-16=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 x^8-16=0 equation:


Simplifying
x8 + -16 = 0

Reorder the terms:
-16 + x8 = 0

Solving
-16 + x8 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '16' to each side of the equation.
-16 + 16 + x8 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + x8 = 0 + 16
x8 = 0 + 16

Combine like terms: 0 + 16 = 16
x8 = 16

Simplifying
x8 = 16

Reorder the terms:
-16 + x8 = 16 + -16

Combine like terms: 16 + -16 = 0
-16 + x8 = 0

Factor a difference between two squares.
(4 + x4)(-4 + x4) = 0

Factor a difference between two squares.
(4 + x4)((2 + x2)(-2 + x2)) = 0

Subproblem 1

Set the factor '(4 + x4)' equal to zero and attempt to solve: Simplifying 4 + x4 = 0 Solving 4 + x4 = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x4 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x4 = 0 + -4 x4 = 0 + -4 Combine like terms: 0 + -4 = -4 x4 = -4 Simplifying x4 = -4 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(2 + x2)' equal to zero and attempt to solve: Simplifying 2 + x2 = 0 Solving 2 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x2 = 0 + -2 x2 = 0 + -2 Combine like terms: 0 + -2 = -2 x2 = -2 Simplifying x2 = -2 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(-2 + x2)' equal to zero and attempt to solve: Simplifying -2 + x2 = 0 Solving -2 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + x2 = 0 + 2 x2 = 0 + 2 Combine like terms: 0 + 2 = 2 x2 = 2 Simplifying x2 = 2 Take the square root of each side: x = {-1.414213562, 1.414213562}

Solution

x = {-1.414213562, 1.414213562}

See similar equations:

| -4(n-4)-4(1-n)=-4n+2n | | 6*-6= | | 20+3(x-8)=19-(3x-17) | | 7(5x-6)=98 | | 2c-7-6c=-27 | | y=y-5 | | x+y=y-5 | | 0+y=y-5 | | 5(-4x+7)=-185 | | 9y+5y+10=-18 | | 5m+6=46 | | -7+6n+6n+3=-5(8-2n)-2(n+8) | | 1+y=5-1 | | 5x-40=x+8 | | 0+y=5 | | -5k-19=5-13j | | 3t-4=4(t+3) | | 8y-11y=-9-12 | | -2(1+y)=7 | | 12=6x-8(x+3) | | -x+4=-2 | | t^2=45 | | -2(0+y)=2+0 | | -3+-30= | | -3+30= | | 8a+23+9=0 | | 5*-6= | | -6*-3= | | 49+4y-18=13y-11-3y | | -3*2= | | 9x+2x=11 | | 0.24(x+55)+0.47(x+70)=-42.65 |

Equations solver categories