f(z)=z^2-1+2i

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Solution for f(z)=z^2-1+2i equation: 


Simplifying
f(z) = z2 + -1 + 2i

Multiply f * z
fz = z2 + -1 + 2i

Reorder the terms:
fz = -1 + 2i + z2

Solving
fz = -1 + 2i + 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 = -1z-1 + 2iz-1 + z

Simplifying
f = -1z-1 + 2iz-1 + z

Reorder the terms:
f = 2iz-1 + -1z-1 + z

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