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

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


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

Multiply f * x
fx = (x2 + 1) + -3

Reorder the terms:
fx = (1 + x2) + -3

Remove parenthesis around (1 + x2)
fx = 1 + x2 + -3

Reorder the terms:
fx = 1 + -3 + x2

Combine like terms: 1 + -3 = -2
fx = -2 + x2

Solving
fx = -2 + 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 = -2x-1 + x

Simplifying
f = -2x-1 + x

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