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30-11-2018
Mathematics

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Solve the quadratic equation by completing the square. x2 + 6x - 5 = 0 A) x = 3 ± 14 B) x = 1 ± 11 C) x = -3 ± 14 Eliminate D) x = -1 ± 11

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Аноним Аноним

05-12-2018

Answer:

C) x = -3 ± sqrt(14)

Step-by-step explanation:

x^2+6x+9-5=9

(x+3)^2=14

x+3=±sqrt(14)

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