f(3)=x^2-7x+4

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Solution for f(3)=x^2-7x+4 equation: 


Simplifying
f(3) = x2 + -7x + 4

Reorder the terms for easier multiplication:
3f = x2 + -7x + 4

Reorder the terms:
3f = 4 + -7x + x2

Solving
3f = 4 + -7x + x2

Solving for variable 'f'.

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

Divide each side by '3'.
f = 1.333333333 + -2.333333333x + 0.3333333333x2

Simplifying
f = 1.333333333 + -2.333333333x + 0.3333333333x2

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