f(2)=x^2-4x+5

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Solution for f(2)=x^2-4x+5 equation: 


Simplifying
f(2) = x2 + -4x + 5

Reorder the terms for easier multiplication:
2f = x2 + -4x + 5

Reorder the terms:
2f = 5 + -4x + x2

Solving
2f = 5 + -4x + x2

Solving for variable 'f'.

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

Divide each side by '2'.
f = 2.5 + -2x + 0.5x2

Simplifying
f = 2.5 + -2x + 0.5x2

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