6561=x^8

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Solution for 6561=x^8 equation:


Simplifying
6561 = x8

Solving
6561 = x8

Solving for variable 'x'.

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

Add '-1x8' to each side of the equation.
6561 + -1x8 = x8 + -1x8

Combine like terms: x8 + -1x8 = 0
6561 + -1x8 = 0

Add '-6561' to each side of the equation.
6561 + -6561 + -1x8 = 0 + -6561

Combine like terms: 6561 + -6561 = 0
0 + -1x8 = 0 + -6561
-1x8 = 0 + -6561

Combine like terms: 0 + -6561 = -6561
-1x8 = -6561

Divide each side by '-1'.
x8 = 6561

Simplifying
x8 = 6561

Reorder the terms:
-6561 + x8 = 6561 + -6561

Combine like terms: 6561 + -6561 = 0
-6561 + x8 = 0

Factor a difference between two squares.
(81 + x4)(-81 + x4) = 0

Factor a difference between two squares.
(81 + x4)((9 + x2)(-9 + x2)) = 0

Factor a difference between two squares.
(81 + x4)((9 + x2)((3 + x)(-3 + x))) = 0

Subproblem 1

Set the factor '(81 + x4)' equal to zero and attempt to solve: Simplifying 81 + x4 = 0 Solving 81 + x4 = 0 Move all terms containing x to the left, all other terms to the right. Add '-81' to each side of the equation. 81 + -81 + x4 = 0 + -81 Combine like terms: 81 + -81 = 0 0 + x4 = 0 + -81 x4 = 0 + -81 Combine like terms: 0 + -81 = -81 x4 = -81 Simplifying x4 = -81 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 '(9 + x2)' equal to zero and attempt to solve: Simplifying 9 + x2 = 0 Solving 9 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x2 = 0 + -9 x2 = 0 + -9 Combine like terms: 0 + -9 = -9 x2 = -9 Simplifying x2 = -9 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 '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Subproblem 4

Set the factor '(-3 + x)' equal to zero and attempt to solve: Simplifying -3 + x = 0 Solving -3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + x = 0 + 3 x = 0 + 3 Combine like terms: 0 + 3 = 3 x = 3 Simplifying x = 3

Solution

x = {-3, 3}

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