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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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