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13-04-2020
Mathematics

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2. What is (5 + 6i) - (12 + 71)?

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13-04-2020

Answer:

-7 -i

Step-by-step explanation:

I will assume that you mean 7i not 71

(5 + 6i) - (12 + 7i)

Distribute the minus sign

(5 + 6i) - 12 - 7i

Combine like terms

5-12 +6i -7i

-7 -i

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