3y^4=27y^2

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Solution for 3y^4=27y^2 equation:


Simplifying
3y4 = 27y2

Solving
3y4 = 27y2

Solving for variable 'y'.

Reorder the terms:
-27y2 + 3y4 = 27y2 + -27y2

Combine like terms: 27y2 + -27y2 = 0
-27y2 + 3y4 = 0

Factor out the Greatest Common Factor (GCF), '3y2'.
3y2(-9 + y2) = 0

Factor a difference between two squares.
3y2((3 + y)(-3 + y)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'y2' equal to zero and attempt to solve: Simplifying y2 = 0 Solving y2 = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y2 = 0 Take the square root of each side: y = {0}

Subproblem 2

Set the factor '(3 + y)' equal to zero and attempt to solve: Simplifying 3 + y = 0 Solving 3 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + y = 0 + -3 y = 0 + -3 Combine like terms: 0 + -3 = -3 y = -3 Simplifying y = -3

Subproblem 3

Set the factor '(-3 + y)' equal to zero and attempt to solve: Simplifying -3 + y = 0 Solving -3 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + y = 0 + 3 Combine like terms: -3 + 3 = 0 0 + y = 0 + 3 y = 0 + 3 Combine like terms: 0 + 3 = 3 y = 3 Simplifying y = 3

Solution

y = {0, -3, 3}

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