z=(2+i)2

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Solution for z=(2+i)2 equation: 


Simplifying
z = (2 + i) * 2

Reorder the terms for easier multiplication:
z = 2(2 + i)
z = (2 * 2 + i * 2)
z = (4 + 2i)

Solving
z = 4 + 2i

Solving for variable 'z'.

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

Simplifying
z = 4 + 2i

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