(x^4-6561)=0

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Solution for (x^4-6561)=0 equation:


Simplifying
(x4 + -6561) = 0

Reorder the terms:
(-6561 + x4) = 0

Remove parenthesis around (-6561 + x4)
-6561 + x4 = 0

Solving
-6561 + x4 = 0

Solving for variable 'x'.

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

Add '6561' to each side of the equation.
-6561 + 6561 + x4 = 0 + 6561

Combine like terms: -6561 + 6561 = 0
0 + x4 = 0 + 6561
x4 = 0 + 6561

Combine like terms: 0 + 6561 = 6561
x4 = 6561

Simplifying
x4 = 6561

Reorder the terms:
-6561 + x4 = 6561 + -6561

Combine like terms: 6561 + -6561 = 0
-6561 + x4 = 0

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

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

Subproblem 1

Set the factor '(81 + x2)' equal to zero and attempt to solve: Simplifying 81 + x2 = 0 Solving 81 + x2 = 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 + x2 = 0 + -81 Combine like terms: 81 + -81 = 0 0 + x2 = 0 + -81 x2 = 0 + -81 Combine like terms: 0 + -81 = -81 x2 = -81 Simplifying x2 = -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 + x)' equal to zero and attempt to solve: Simplifying 9 + x = 0 Solving 9 + x = 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 + x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x = 0 + -9 x = 0 + -9 Combine like terms: 0 + -9 = -9 x = -9 Simplifying x = -9

Subproblem 3

Set the factor '(-9 + x)' equal to zero and attempt to solve: Simplifying -9 + x = 0 Solving -9 + x = 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 + x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + x = 0 + 9 x = 0 + 9 Combine like terms: 0 + 9 = 9 x = 9 Simplifying x = 9

Solution

x = {-9, 9}

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