b^4-1=0

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Solution for b^4-1=0 equation:


Simplifying
b4 + -1 = 0

Reorder the terms:
-1 + b4 = 0

Solving
-1 + b4 = 0

Solving for variable 'b'.

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

Add '1' to each side of the equation.
-1 + 1 + b4 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + b4 = 0 + 1
b4 = 0 + 1

Combine like terms: 0 + 1 = 1
b4 = 1

Simplifying
b4 = 1

Reorder the terms:
-1 + b4 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + b4 = 0

Factor a difference between two squares.
(1 + b2)(-1 + b2) = 0

Factor a difference between two squares.
(1 + b2)((1 + b)(-1 + b)) = 0

Subproblem 1

Set the factor '(1 + b2)' equal to zero and attempt to solve: Simplifying 1 + b2 = 0 Solving 1 + b2 = 0 Move all terms containing b to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + b2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + b2 = 0 + -1 b2 = 0 + -1 Combine like terms: 0 + -1 = -1 b2 = -1 Simplifying b2 = -1 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 '(1 + b)' equal to zero and attempt to solve: Simplifying 1 + b = 0 Solving 1 + b = 0 Move all terms containing b to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + b = 0 + -1 Combine like terms: 1 + -1 = 0 0 + b = 0 + -1 b = 0 + -1 Combine like terms: 0 + -1 = -1 b = -1 Simplifying b = -1

Subproblem 3

Set the factor '(-1 + b)' equal to zero and attempt to solve: Simplifying -1 + b = 0 Solving -1 + b = 0 Move all terms containing b to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + b = 0 + 1 Combine like terms: -1 + 1 = 0 0 + b = 0 + 1 b = 0 + 1 Combine like terms: 0 + 1 = 1 b = 1 Simplifying b = 1

Solution

b = {-1, 1}

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