Z^7=4Z^5

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Solution for Z^7=4Z^5 equation:


Simplifying
Z7 = 4Z5

Solving
Z7 = 4Z5

Solving for variable 'Z'.

Reorder the terms:
-4Z5 + Z7 = 4Z5 + -4Z5

Combine like terms: 4Z5 + -4Z5 = 0
-4Z5 + Z7 = 0

Factor out the Greatest Common Factor (GCF), 'Z5'.
Z5(-4 + Z2) = 0

Factor a difference between two squares.
Z5((2 + Z)(-2 + Z)) = 0

Subproblem 1

Set the factor 'Z5' equal to zero and attempt to solve: Simplifying Z5 = 0 Solving Z5 = 0 Move all terms containing Z to the left, all other terms to the right. Simplifying Z5 = 0 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 + Z)' equal to zero and attempt to solve: Simplifying 2 + Z = 0 Solving 2 + Z = 0 Move all terms containing Z to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + Z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + Z = 0 + -2 Z = 0 + -2 Combine like terms: 0 + -2 = -2 Z = -2 Simplifying Z = -2

Subproblem 3

Set the factor '(-2 + Z)' equal to zero and attempt to solve: Simplifying -2 + Z = 0 Solving -2 + Z = 0 Move all terms containing Z to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + Z = 0 + 2 Combine like terms: -2 + 2 = 0 0 + Z = 0 + 2 Z = 0 + 2 Combine like terms: 0 + 2 = 2 Z = 2 Simplifying Z = 2

Solution

Z = {-2, 2}

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