I am struggling with part b) of the following question 
I understand that part a) is the conjugate of α, but with part b), I multiplied the factors and obtained:
z^2 - z(conjugate α - α) + α*(conjugate α)
How do I further manipulate the middle term?
2026-05-06 10:54:48.1778064888
Proving a complex quadratic equation
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