nvphjcbpak nvphjcbpak

15-01-2021
Mathematics

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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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needabigmac1 needabigmac1

15-01-2021

B x^2+18xi-81 hope this helps

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