F(X)=x(42-X)

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Solution for F(X)=x(42-X) equation: 


Simplifying
F(X) = x(42 + -1X)

Multiply F * X
FX = x(42 + -1X)
FX = (42 * x + -1X * x)
FX = (42x + -1xX)

Solving
FX = 42x + -1xX

Solving for variable 'F'.

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

Divide each side by 'X'.
F = 42xX-1 + -1x

Simplifying
F = 42xX-1 + -1x

Reorder the terms:
F = -1x + 42xX-1

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