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Which expression is equivalent to (x +9i)2? A. x2 + 18x + 81 B. x2 + 18xi – 81 C. x2 + 9xi +81 D. x2 + 9xi – 81
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Which expression is equivalent to (x +9i)2?

A. x2 + 18x + 81
B. x2 + 18xi – 81
C. x2 + 9xi +81
D. x2 + 9xi – 81

User Jakub Lortz
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1 Answer

7 votes
B x^2+18xi-81 hope this helps
User HeronAlgoSearch
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