F(4z)=x^2-4x

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Solution for F(4z)=x^2-4x equation: 


Simplifying
F(4z) = x2 + -4x

Remove parenthesis around (4z)
F * 4z = x2 + -4x

Reorder the terms for easier multiplication:
4F * z = x2 + -4x

Multiply F * z
4zF = x2 + -4x

Reorder the terms:
4zF = -4x + x2

Solving
4zF = -4x + x2

Solving for variable 'z'.

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

Divide each side by '4F'.
z = -1xF-1 + 0.25x2F-1

Simplifying
z = -1xF-1 + 0.25x2F-1

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