hbwedhiweugh6273 hbwedhiweugh6273
  • 20-05-2020
  • Mathematics
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x^2+2x-5=0 quadratic form

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MannersMakethMan
MannersMakethMan MannersMakethMan
  • 20-05-2020

Answer:

-1+√6

-1-√6

Step-by-step explanation:

x²+2x-5=0

x=(-2±√(2²-4(-5)))/2=(-2±√(4+20))/2=(-2±√24)/2

x₁=(-2+√24)/2 or x₂=(-2-√24)/2

x₁=(-2+2√6)/2 or (-2-2√6)/2

x₁=-1+√6 or x₂=-1-√6

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