f(x)=2x*ln(9x)-2x

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Solution for f(x)=2x*ln(9x)-2x equation: 


Simplifying
f(x) = 2x * ln(9x) + -2x

Multiply f * x
fx = 2x * ln(9x) + -2x

Remove parenthesis around (9x)
fx = 2x * ln * 9x + -2x

Reorder the terms for easier multiplication:
fx = 2 * 9x * ln * x + -2x

Multiply 2 * 9
fx = 18x * ln * x + -2x

Multiply x * ln
fx = 18lnx * x + -2x

Multiply lnx * x
fx = 18lnx2 + -2x

Solving
fx = 18lnx2 + -2x

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 18lnx + -2

Simplifying
f = 18lnx + -2

Reorder the terms:
f = -2 + 18lnx

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