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What is the simplest form of the expression 7i( −3i) + 9?

What is the simplest form of the expression 7i( −3i) + 9?
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What is the simplest form of the expression 7i( −3i) + 9?

User Gurminder Singh
by
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1 Answer

3 votes

Answer:

-21i+9

Explanation:

7i times -3i= -21i

User Agbodike
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