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(7i²– 5i + 12) – (3i²+ 6i– 9) simplify ​
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(7i²– 5i + 12) – (3i²+ 6i– 9)

simplify ​

User Aliaksei Maniuk
by
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1 Answer

9 votes

Answer:

the correct answer is

4i^2 +6i +21

User Aryaveer
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