y^4-3y^2-2y=0

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Solution for y^4-3y^2-2y=0 equation: 


Simplifying
y4 + -3y2 + -2y = 0

Reorder the terms:
-2y + -3y2 + y4 = 0

Solving
-2y + -3y2 + y4 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y'.
y(-2 + -3y + y3) = 0


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 + -3y + y3)' equal to zero and attempt to solve:

Simplifying
-2 + -3y + y3 = 0

Solving
-2 + -3y + y3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
y = {0}

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