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27 October, 06:30

X 2 + 13x + 40 = 0

solving quadratic

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Answers (2)
  1. 27 October, 06:41
    0
    Answer: x=-5 or x=-8

    Step-by-step explanation:

    x^2+13x+40=0

    x^2 + 8x + 5x + 40=0

    x (x+8) + 5 (x+8) = 0

    (x+5) (x+8) = 0

    x+5=0 or x+8=0

    x=-5 or x=-8
  2. 27 October, 06:53
    0
    Answer x=-5 or x=-8
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