(D^4-1)y=0

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Solution for (D^4-1)y=0 equation:


Simplifying
(D4 + -1) * y = 0

Reorder the terms:
(-1 + D4) * y = 0

Reorder the terms for easier multiplication:
y(-1 + D4) = 0
(-1 * y + D4 * y) = 0
(-1y + yD4) = 0

Solving
-1y + yD4 = 0

Solving for variable 'y'.

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

Factor out the Greatest Common Factor (GCF), 'y'.
y(-1 + D4) = 0

Factor a difference between two squares.
y((1 + D2)(-1 + D2)) = 0

Factor a difference between two squares.
y((1 + D2)((1 + D)(-1 + D))) = 0

Subproblem 1

Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0

Subproblem 2

Set the factor '(1 + D2)' equal to zero and attempt to solve: Simplifying 1 + D2 = 0 Solving 1 + D2 = 0 Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + D2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + D2 = 0 + -1 D2 = 0 + -1 Combine like terms: 0 + -1 = -1 D2 = -1 Add '-1D2' to each side of the equation. D2 + -1D2 = -1 + -1D2 Combine like terms: D2 + -1D2 = 0 0 = -1 + -1D2 Simplifying 0 = -1 + -1D2 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 3

Set the factor '(1 + D)' equal to zero and attempt to solve: Simplifying 1 + D = 0 Solving 1 + D = 0 Move all terms containing y to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + D = 0 + -1 Combine like terms: 1 + -1 = 0 0 + D = 0 + -1 D = 0 + -1 Combine like terms: 0 + -1 = -1 D = -1 Add '-1D' to each side of the equation. D + -1D = -1 + -1D Combine like terms: D + -1D = 0 0 = -1 + -1D Simplifying 0 = -1 + -1D The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 4

Set the factor '(-1 + D)' equal to zero and attempt to solve: Simplifying -1 + D = 0 Solving -1 + D = 0 Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + D = 0 + 1 Combine like terms: -1 + 1 = 0 0 + D = 0 + 1 D = 0 + 1 Combine like terms: 0 + 1 = 1 D = 1 Add '-1D' to each side of the equation. D + -1D = 1 + -1D Combine like terms: D + -1D = 0 0 = 1 + -1D Simplifying 0 = 1 + -1D The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

y = {0}

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