f(4)=9x^3+(x-2)-2

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Solution for f(4)=9x^3+(x-2)-2 equation:


Simplifying
f(4) = 9x3 + (x + -2) + -2

Reorder the terms for easier multiplication:
4f = 9x3 + (x + -2) + -2

Reorder the terms:
4f = 9x3 + (-2 + x) + -2

Remove parenthesis around (-2 + x)
4f = 9x3 + -2 + x + -2

Reorder the terms:
4f = -2 + -2 + x + 9x3

Combine like terms: -2 + -2 = -4
4f = -4 + x + 9x3

Solving
4f = -4 + x + 9x3

Solving for variable 'f'.

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

Divide each side by '4'.
f = -1 + 0.25x + 2.25x3

Simplifying
f = -1 + 0.25x + 2.25x3

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