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krek1111 [17]
3 years ago
8

Which expression is equivalent to (x +9i)2?

Mathematics
1 answer:
Debora [2.8K]3 years ago
6 0
B x^2+18xi-81 hope this helps
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<em>Greetings from Brasil...</em>

We notice 2 dashes on the NO and NP line. This means that both are the same size. Since NO = 17 then OP is also 17 in length.

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