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22 December, 05:14

What are the solutions of x^2+10x+21=0?

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Answers (2)
  1. 22 December, 05:23
    0
    x = - 7, - 3 x = - 3, - 7

    These are the only solutions that I could find
  2. 22 December, 05:40
    0
    (x+7) (x+3) so therefore you set each equation = 0 ...

    x + 7 = 0

    x + 3 = 0

    and solve

    x = - 3

    x = - 7
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