f(x)=2x^4-9x^2+7

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Solution for f(x)=2x^4-9x^2+7 equation: 


Simplifying
f(x) = 2x4 + -9x2 + 7

Multiply f * x
fx = 2x4 + -9x2 + 7

Reorder the terms:
fx = 7 + -9x2 + 2x4

Solving
fx = 7 + -9x2 + 2x4

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 7x-1 + -9x + 2x3

Simplifying
f = 7x-1 + -9x + 2x3

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