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13 December, 19:55

What 2 numbers add to - 7 and the same two numbers multiply to 3

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Answers (2)
  1. 13 December, 20:01
    0
    A) x + y = - 7

    B) x * y = 3

    y = 3/x then put this into equation A

    x + 3/x = - 7

    x^2 + 3 = - 7x

    x^2 + 7x + 3 = 0

    x = - 6.5414 and x = - 0.45862
  2. 13 December, 20:14
    0
    That's impossible. Are you factoring?
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