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16 November, 03:10

Using the quadratic formula to solve x2 = 5 - x, what are the values of x?

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Answers (2)
  1. 16 November, 03:31
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    The correct answer is the first option.
  2. 16 November, 03:32
    0
    Hello,

    x²+x-5=0; Δ=1+4*5=21

    ==>x = (-1+√21) / 2 or x = (-1-√21) / 2
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