y=x^4-81x^2

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Solution for y=x^4-81x^2 equation: 


Simplifying
y = x4 + -81x2

Reorder the terms:
y = -81x2 + x4

Solving
y = -81x2 + x4

Solving for variable 'y'.

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

Simplifying
y = -81x2 + x4

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