W^2(-81)=0

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Solution for W^2(-81)=0 equation: 


Simplifying
W2(-81) = 0

Reorder the terms for easier multiplication:
-81W2 = 0

Solving
-81W2 = 0

Solving for variable 'W'.

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

Divide each side by '-81'.
W2 = 0

Simplifying
W2 = 0

Take the square root of each side:
W = {0}

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