f(x)=0.04x^2-0.8x

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Solution for f(x)=0.04x^2-0.8x equation: 


Simplifying
f(x) = 0.04x2 + -0.8x

Multiply f * x
fx = 0.04x2 + -0.8x

Reorder the terms:
fx = -0.8x + 0.04x2

Solving
fx = -0.8x + 0.04x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -0.8 + 0.04x

Simplifying
f = -0.8 + 0.04x

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