-y^4+5y^3-20y=

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Solution for -y^4+5y^3-20y= equation: 


Simplifying
-1y4 + 5y3 + -20y = 0

Reorder the terms:
-20y + 5y3 + -1y4 = 0

Solving
-20y + 5y3 + -1y4 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y'.
y(-20 + 5y2 + -1y3) = 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 '(-20 + 5y2 + -1y3)' equal to zero and attempt to solve:

Simplifying
-20 + 5y2 + -1y3 = 0

Solving
-20 + 5y2 + -1y3 = 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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