F(X)=x^4-81x^2

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Solution for F(X)=x^4-81x^2 equation: 


Simplifying
F(X) = x4 + -81x2

Multiply F * X
FX = x4 + -81x2

Reorder the terms:
FX = -81x2 + x4

Solving
FX = -81x2 + x4

Solving for variable 'F'.

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

Divide each side by 'X'.
F = -81x2X-1 + x4X-1

Simplifying
F = -81x2X-1 + x4X-1

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