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SImplify to standard form (a+bi) (12-9i)²
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SImplify to standard form (a+bi)
(12-9i)²

User Zaxunobi
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1 Answer

3 votes

Answer:

Hello,

Explanation:

Formula used (a+b)^2=a²+2ab+b²


(12-9i)^2=3^2*(4-3i)^2\\\\=9*(16-9-24i)\\\\=9*(7-24i)\\\\=63-216i\\

User Causita
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