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21-04-2017
Mathematics

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What are the solutions of the equation? x² – 21 = –4x

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Samantha1999 Samantha1999

21-04-2017

x = 7
x = -3
i used a caluclator im not to good at this either but i hope this helps

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Аноним Аноним

21-04-2017

Here are two solutions for x2-4x-21=0

x = 7
x = -3

Answer Link

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