f(x)=20x^2-71x-19

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Solution for f(x)=20x^2-71x-19 equation: 


Simplifying
f(x) = 20x2 + -71x + -19

Multiply f * x
fx = 20x2 + -71x + -19

Reorder the terms:
fx = -19 + -71x + 20x2

Solving
fx = -19 + -71x + 20x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -19x-1 + -71 + 20x

Simplifying
f = -19x-1 + -71 + 20x

Reorder the terms:
f = -71 + -19x-1 + 20x

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