f(5x)=x^2-11

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Solution for f(5x)=x^2-11 equation: 


Simplifying
f(5x) = x2 + -11

Remove parenthesis around (5x)
f * 5x = x2 + -11

Reorder the terms for easier multiplication:
5f * x = x2 + -11

Multiply f * x
5fx = x2 + -11

Reorder the terms:
5fx = -11 + x2

Solving
5fx = -11 + x2

Solving for variable 'f'.

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

Divide each side by '5x'.
f = -2.2x-1 + 0.2x

Simplifying
f = -2.2x-1 + 0.2x

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