c^4-121=0

Solution for c^4-121=0 equation:

Simplifying
c4 + -121 = 0

Reorder the terms:
-121 + c4 = 0

Solving
-121 + c4 = 0

Solving for variable 'c'.

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

Add '121' to each side of the equation.
-121 + 121 + c4 = 0 + 121

Combine like terms: -121 + 121 = 0
0 + c4 = 0 + 121
c4 = 0 + 121

Combine like terms: 0 + 121 = 121
c4 = 121

Simplifying
c4 = 121

Reorder the terms:
-121 + c4 = 121 + -121

Combine like terms: 121 + -121 = 0
-121 + c4 = 0

Factor a difference between two squares.
(11 + c2)(-11 + c2) = 0

Subproblem 1
Set the factor '(11 + c2)' equal to zero and attempt to solve:

Simplifying
11 + c2 = 0

Solving
11 + c2 = 0

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

Add '-11' to each side of the equation.
11 + -11 + c2 = 0 + -11

Combine like terms: 11 + -11 = 0
0 + c2 = 0 + -11
c2 = 0 + -11

Combine like terms: 0 + -11 = -11
c2 = -11

Simplifying
c2 = -11

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 + c2)' equal to zero and attempt to solve:

Simplifying
-11 + c2 = 0

Solving
-11 + c2 = 0

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

Add '11' to each side of the equation.
-11 + 11 + c2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + c2 = 0 + 11
c2 = 0 + 11

Combine like terms: 0 + 11 = 11
c2 = 11

Simplifying
c2 = 11

Take the square root of each side:
c = {-3.31662479, 3.31662479}
Solution
c = {-3.31662479, 3.31662479}