f(z)=z^2+3

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Solution for f(z)=z^2+3 equation: 


Simplifying
f(z) = z2 + 3

Multiply f * z
fz = z2 + 3

Reorder the terms:
fz = 3 + z2

Solving
fz = 3 + z2

Solving for variable 'f'.

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

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

Simplifying
f = 3z-1 + z

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