f(x)=2r^2+2r-1

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Solution for f(x)=2r^2+2r-1 equation: 


Simplifying
f(x) = 2r2 + 2r + -1

Multiply f * x
fx = 2r2 + 2r + -1

Reorder the terms:
fx = -1 + 2r + 2r2

Solving
fx = -1 + 2r + 2r2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -1x-1 + 2rx-1 + 2r2x-1

Simplifying
f = -1x-1 + 2rx-1 + 2r2x-1

Reorder the terms:
f = 2rx-1 + 2r2x-1 + -1x-1

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