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10z^2 -2z-2 10z 2 −2z−2
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10z^2 -2z-2 10z 2 −2z−2

User Wstudiokiwi
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2 Answers

1 vote

z =(2-√-116)/-20=1/-10+i/10√ 29 = -0.1000-0.5385i

z =(2+√-116)/-20=1/-10-i/10√ 29 = -0.1000+0.5385i

Explanation:

User KalyanLahkar
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3 votes
just drop out. i’m sorry they are teaching you this
User Spaetzel
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