shell279 shell279

12-12-2020
Mathematics

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need help w algebra pls asap. i’ll mark brainlist!!

need help w algebra pls asap ill mark brainlist class=

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zstardragon321 zstardragon321

12-12-2020

Answer:

The mistake is that they left the i^2 as it is instead of making it -1 because i is the square root of -1. You fix this by replacing i^2 by -1 and you will get (4-7i)/5

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