f(x)=-0.022x^4-0.457x^3-2.492x^2-5.279x+87.419

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Solution for f(x)=-0.022x^4-0.457x^3-2.492x^2-5.279x+87.419 equation: 


Simplifying
f(x) = -0.022x4 + -0.457x3 + -2.492x2 + -5.279x + 87.419

Multiply f * x
fx = -0.022x4 + -0.457x3 + -2.492x2 + -5.279x + 87.419

Reorder the terms:
fx = 87.419 + -5.279x + -2.492x2 + -0.457x3 + -0.022x4

Solving
fx = 87.419 + -5.279x + -2.492x2 + -0.457x3 + -0.022x4

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 87.419x-1 + -5.279 + -2.492x + -0.457x2 + -0.022x3

Simplifying
f = 87.419x-1 + -5.279 + -2.492x + -0.457x2 + -0.022x3

Reorder the terms:
f = -5.279 + 87.419x-1 + -2.492x + -0.457x2 + -0.022x3

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