s^4+9s^3-9s^2-81s=0

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Solution for s^4+9s^3-9s^2-81s=0 equation: 


Simplifying
s4 + 9s3 + -9s2 + -81s = 0

Reorder the terms:
-81s + -9s2 + 9s3 + s4 = 0

Solving
-81s + -9s2 + 9s3 + s4 = 0

Solving for variable 's'.

Factor out the Greatest Common Factor (GCF), 's'.
s(-81 + -9s + 9s2 + s3) = 0


Subproblem 1
Set the factor 's' equal to zero and attempt to solve:

Simplifying
s = 0

Solving
s = 0

Move all terms containing s to the left, all other terms to the right.

Simplifying
s = 0

Subproblem 2
Set the factor '(-81 + -9s + 9s2 + s3)' equal to zero and attempt to solve:

Simplifying
-81 + -9s + 9s2 + s3 = 0

Solving
-81 + -9s + 9s2 + s3 = 0

The solution to this equation could not be determined.

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

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