fx=x*2-4x-5

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Solution for fx=x*2-4x-5 equation: 


Simplifying
fx = x * 2 + -4x + -5

Reorder the terms for easier multiplication:
fx = 2x + -4x + -5

Reorder the terms:
fx = -5 + 2x + -4x

Combine like terms: 2x + -4x = -2x
fx = -5 + -2x

Solving
fx = -5 + -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 = -5x-1 + -2

Simplifying
f = -5x-1 + -2

Reorder the terms:
f = -2 + -5x-1

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