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16 November, 20:16

Solve - 7x^2+14x+21=0

+3
Answers (2)
  1. 16 November, 22:17
    0
    Answer: Your solutions are x=-1 and x=3
  2. 16 November, 23:51
    0
    (7x + 7) (-x + 3) = 0

    x = - 1, 3
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