z^5=81z^3

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Solution for z^5=81z^3 equation:


Simplifying
z5 = 81z3

Solving
z5 = 81z3

Solving for variable 'z'.

Reorder the terms:
-81z3 + z5 = 81z3 + -81z3

Combine like terms: 81z3 + -81z3 = 0
-81z3 + z5 = 0

Factor out the Greatest Common Factor (GCF), 'z3'.
z3(-81 + z2) = 0

Factor a difference between two squares.
z3((9 + z)(-9 + z)) = 0

Subproblem 1

Set the factor 'z3' equal to zero and attempt to solve: Simplifying z3 = 0 Solving z3 = 0 Move all terms containing z to the left, all other terms to the right. Simplifying z3 = 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 '(9 + z)' equal to zero and attempt to solve: Simplifying 9 + z = 0 Solving 9 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + z = 0 + -9 Combine like terms: 9 + -9 = 0 0 + z = 0 + -9 z = 0 + -9 Combine like terms: 0 + -9 = -9 z = -9 Simplifying z = -9

Subproblem 3

Set the factor '(-9 + z)' equal to zero and attempt to solve: Simplifying -9 + z = 0 Solving -9 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + z = 0 + 9 Combine like terms: -9 + 9 = 0 0 + z = 0 + 9 z = 0 + 9 Combine like terms: 0 + 9 = 9 z = 9 Simplifying z = 9

Solution

z = {-9, 9}

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