=s^4-121

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Solution for =s^4-121 equation: 


Simplifying
0 = s4 + -121

Reorder the terms:
0 = -121 + s4

Solving
0 = -121 + s4

Solving for variable 's'.

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

Add '-1s4' to each side of the equation.
0 + -1s4 = -121 + s4 + -1s4
Remove the zero:
-1s4 = -121 + s4 + -1s4

Combine like terms: s4 + -1s4 = 0
-1s4 = -121 + 0
-1s4 = -121

Divide each side by '-1'.
s4 = 121

Simplifying
s4 = 121

Reorder the terms:
-121 + s4 = 121 + -121

Combine like terms: 121 + -121 = 0
-121 + s4 = 0

Factor a difference between two squares.
(11 + s2)(-11 + s2) = 0


Subproblem 1
Set the factor '(11 + s2)' equal to zero and attempt to solve:

Simplifying
11 + s2 = 0

Solving
11 + s2 = 0

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

Add '-11' to each side of the equation.
11 + -11 + s2 = 0 + -11

Combine like terms: 11 + -11 = 0
0 + s2 = 0 + -11
s2 = 0 + -11

Combine like terms: 0 + -11 = -11
s2 = -11

Simplifying
s2 = -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 + s2)' equal to zero and attempt to solve:

Simplifying
-11 + s2 = 0

Solving
-11 + s2 = 0

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

Add '11' to each side of the equation.
-11 + 11 + s2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + s2 = 0 + 11
s2 = 0 + 11

Combine like terms: 0 + 11 = 11
s2 = 11

Simplifying
s2 = 11

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

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