PLEASEHELPONETIME
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  • 21-04-2017
  • Mathematics
contestada

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

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Samantha1999
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
Answer Link
Аноним Аноним
  • 21-04-2017


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

x = 7
x = -3





Answer Link

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