(x^2+129)(x^2-121)=0

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Solution for (x^2+129)(x^2-121)=0 equation: 


Simplifying
(x2 + 129)(x2 + -121) = 0

Reorder the terms:
(129 + x2)(x2 + -121) = 0

Reorder the terms:
(129 + x2)(-121 + x2) = 0

Multiply (129 + x2) * (-121 + x2)
(129(-121 + x2) + x2(-121 + x2)) = 0
((-121 * 129 + x2 * 129) + x2(-121 + x2)) = 0
((-15609 + 129x2) + x2(-121 + x2)) = 0
(-15609 + 129x2 + (-121 * x2 + x2 * x2)) = 0
(-15609 + 129x2 + (-121x2 + x4)) = 0

Combine like terms: 129x2 + -121x2 = 8x2
(-15609 + 8x2 + x4) = 0

Solving
-15609 + 8x2 + x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(-129 + -1x2)(121 + -1x2) = 0

Factor a difference between two squares.
(-129 + -1x2)((11 + x)(11 + -1x)) = 0


Subproblem 1
Set the factor '(-129 + -1x2)' equal to zero and attempt to solve:

Simplifying
-129 + -1x2 = 0

Solving
-129 + -1x2 = 0

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

Add '129' to each side of the equation.
-129 + 129 + -1x2 = 0 + 129

Combine like terms: -129 + 129 = 0
0 + -1x2 = 0 + 129
-1x2 = 0 + 129

Combine like terms: 0 + 129 = 129
-1x2 = 129

Divide each side by '-1'.
x2 = -129

Simplifying
x2 = -129

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 '(11 + x)' equal to zero and attempt to solve:

Simplifying
11 + x = 0

Solving
11 + x = 0

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

Add '-11' to each side of the equation.
11 + -11 + x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + x = 0 + -11
x = 0 + -11

Combine like terms: 0 + -11 = -11
x = -11

Simplifying
x = -11

Subproblem 3
Set the factor '(11 + -1x)' equal to zero and attempt to solve:

Simplifying
11 + -1x = 0

Solving
11 + -1x = 0

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

Add '-11' to each side of the equation.
11 + -11 + -1x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + -1x = 0 + -11
-1x = 0 + -11

Combine like terms: 0 + -11 = -11
-1x = -11

Divide each side by '-1'.
x = 11

Simplifying
x = 11
Solution
x = {-11, 11}

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