80x-fx^2=140

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Solution for 80x-fx^2=140 equation: 


Simplifying
80x + -1fx2 = 140

Reorder the terms:
-1fx2 + 80x = 140

Solving
-1fx2 + 80x = 140

Solving for variable 'f'.

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

Add '-80x' to each side of the equation.
-1fx2 + 80x + -80x = 140 + -80x

Combine like terms: 80x + -80x = 0
-1fx2 + 0 = 140 + -80x
-1fx2 = 140 + -80x

Divide each side by '-1x2'.
f = -140x-2 + 80x-1

Simplifying
f = -140x-2 + 80x-1

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