f(3x)=2x^2+18x-14

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Solution for f(3x)=2x^2+18x-14 equation:


Simplifying
f(3x) = 2x2 + 18x + -14

Remove parenthesis around (3x)
f * 3x = 2x2 + 18x + -14

Reorder the terms for easier multiplication:
3f * x = 2x2 + 18x + -14

Multiply f * x
3fx = 2x2 + 18x + -14

Reorder the terms:
3fx = -14 + 18x + 2x2

Solving
3fx = -14 + 18x + 2x2

Solving for variable 'f'.

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

Divide each side by '3x'.
f = -4.666666667x-1 + 6 + 0.6666666667x

Simplifying
f = -4.666666667x-1 + 6 + 0.6666666667x

Reorder the terms:
f = 6 + -4.666666667x-1 + 0.6666666667x

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