c^4=16

Solution for c^4=16 equation:

Simplifying
c4 = 16

Solving
c4 = 16

Solving for variable 'c'.

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

Simplifying
c4 = 16

Reorder the terms:
-16 + c4 = 16 + -16

Combine like terms: 16 + -16 = 0
-16 + c4 = 0

Factor a difference between two squares.
(4 + c2)(-4 + c2) = 0

Factor a difference between two squares.
(4 + c2)((2 + c)(-2 + c)) = 0

Subproblem 1
Set the factor '(4 + c2)' equal to zero and attempt to solve:

Simplifying
4 + c2 = 0

Solving
4 + c2 = 0

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

Add '-4' to each side of the equation.
4 + -4 + c2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + c2 = 0 + -4
c2 = 0 + -4

Combine like terms: 0 + -4 = -4
c2 = -4

Simplifying
c2 = -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 + c)' equal to zero and attempt to solve:

Simplifying
2 + c = 0

Solving
2 + c = 0

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

Add '-2' to each side of the equation.
2 + -2 + c = 0 + -2

Combine like terms: 2 + -2 = 0
0 + c = 0 + -2
c = 0 + -2

Combine like terms: 0 + -2 = -2
c = -2

Simplifying
c = -2
Subproblem 3
Set the factor '(-2 + c)' equal to zero and attempt to solve:

Simplifying
-2 + c = 0

Solving
-2 + c = 0

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

Add '2' to each side of the equation.
-2 + 2 + c = 0 + 2

Combine like terms: -2 + 2 = 0
0 + c = 0 + 2
c = 0 + 2

Combine like terms: 0 + 2 = 2
c = 2

Simplifying
c = 2
Solution
c = {-2, 2}