f(5)=3x^2+2x-1

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Solution for f(5)=3x^2+2x-1 equation: 


Simplifying
f(5) = 3x2 + 2x + -1

Reorder the terms for easier multiplication:
5f = 3x2 + 2x + -1

Reorder the terms:
5f = -1 + 2x + 3x2

Solving
5f = -1 + 2x + 3x2

Solving for variable 'f'.

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

Divide each side by '5'.
f = -0.2 + 0.4x + 0.6x2

Simplifying
f = -0.2 + 0.4x + 0.6x2

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