4y^7=4y^5

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


Simplifying
4y7 = 4y5

Solving
4y7 = 4y5

Solving for variable 'y'.

Reorder the terms:
-4y5 + 4y7 = 4y5 + -4y5

Combine like terms: 4y5 + -4y5 = 0
-4y5 + 4y7 = 0

Factor out the Greatest Common Factor (GCF), '4y5'.
4y5(-1 + y2) = 0

Factor a difference between two squares.
4y5((1 + y)(-1 + y)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor 'y5' equal to zero and attempt to solve: Simplifying y5 = 0 Solving y5 = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y5 = 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 '(1 + y)' equal to zero and attempt to solve: Simplifying 1 + y = 0 Solving 1 + y = 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 + y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + y = 0 + -1 y = 0 + -1 Combine like terms: 0 + -1 = -1 y = -1 Simplifying y = -1

Subproblem 3

Set the factor '(-1 + y)' equal to zero and attempt to solve: Simplifying -1 + y = 0 Solving -1 + y = 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 + y = 0 + 1 Combine like terms: -1 + 1 = 0 0 + y = 0 + 1 y = 0 + 1 Combine like terms: 0 + 1 = 1 y = 1 Simplifying y = 1

Solution

y = {-1, 1}

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