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  • 09-04-2018
  • Mathematics
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What is the value of x in the equation 2x2 + 6x = –5?

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Аноним Аноним
  • 09-04-2018
2x² + 6x = -5

2x² + 6x + 5 = 0

x1,2 = (-6 ± √36-40)/4

Delta is negative so x ∉ R
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