4y^3=8y

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Solution for 4y^3=8y equation:


Simplifying
4y3 = 8y

Solving
4y3 = 8y

Solving for variable 'y'.

Reorder the terms:
-8y + 4y3 = 8y + -8y

Combine like terms: 8y + -8y = 0
-8y + 4y3 = 0

Factor out the Greatest Common Factor (GCF), '4y'.
4y(-2 + y2) = 0

Ignore the factor 4.

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 '(-2 + y2)' equal to zero and attempt to solve: Simplifying -2 + y2 = 0 Solving -2 + y2 = 0 Move all terms containing y to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + y2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + y2 = 0 + 2 y2 = 0 + 2 Combine like terms: 0 + 2 = 2 y2 = 2 Simplifying y2 = 2 Take the square root of each side: y = {-1.414213562, 1.414213562}

Solution

y = {0, -1.414213562, 1.414213562}

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