f(5x)=(2x^2)-7

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Solution for f(5x)=(2x^2)-7 equation: 


Simplifying
f(5x) = (2x2) + -7

Remove parenthesis around (5x)
f * 5x = (2x2) + -7

Reorder the terms for easier multiplication:
5f * x = (2x2) + -7

Multiply f * x
5fx = (2x2) + -7

Reorder the terms:
5fx = -7 + (2x2)

Solving
5fx = -7 + (2x2)

Solving for variable 'f'.

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

Divide each side by '5x'.
f = -1.4x-1 + (0.4x)

Simplifying
f = -1.4x-1 + (0.4x)

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