f(x)=x*x+3

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Solution for f(x)=x*x+3 equation: 


Simplifying
f(x) = x * x + 3

Multiply f * x
fx = x * x + 3

Multiply x * x
fx = x2 + 3

Reorder the terms:
fx = 3 + x2

Solving
fx = 3 + x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 3x-1 + x

Simplifying
f = 3x-1 + x

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