f(x)=x^2+2kx+(3+2k)

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Solution for f(x)=x^2+2kx+(3+2k) equation: 


Simplifying
f(x) = x2 + 2kx + (3 + 2k)

Multiply f * x
fx = x2 + 2kx + (3 + 2k)

Remove parenthesis around (3 + 2k)
fx = x2 + 2kx + 3 + 2k

Reorder the terms:
fx = 3 + 2k + 2kx + x2

Solving
fx = 3 + 2k + 2kx + 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 + 2kx-1 + 2k + x

Simplifying
f = 3x-1 + 2kx-1 + 2k + x

Reorder the terms:
f = 2k + 2kx-1 + 3x-1 + x

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