f(f(x))=25x-18

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Solution for f(f(x))=25x-18 equation:


Simplifying
f(f(x)) = 25x + -18

Multiply f * x
f(fx) = 25x + -18

Multiply f * fx
f2x = 25x + -18

Reorder the terms:
f2x = -18 + 25x

Solving
f2x = -18 + 25x

Solving for variable 'f'.

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

Divide each side by 'x'.
f2 = -18x-1 + 25

Simplifying
f2 = -18x-1 + 25

Reorder the terms:
f2 = 25 + -18x-1

Reorder the terms:
-25 + f2 + 18x-1 = 25 + -18x-1 + -25 + 18x-1

Reorder the terms:
-25 + f2 + 18x-1 = 25 + -25 + -18x-1 + 18x-1

Combine like terms: 25 + -25 = 0
-25 + f2 + 18x-1 = 0 + -18x-1 + 18x-1
-25 + f2 + 18x-1 = -18x-1 + 18x-1

Combine like terms: -18x-1 + 18x-1 = 0
-25 + f2 + 18x-1 = 0

The solution to this equation could not be determined.

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