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7 February, 10:24

X2 + 9x + 2 = 0 has how many real solutions

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Answers (2)
  1. 7 February, 11:39
    0
    Step-by-step explanation:

    hello:

    x² + 9x + 2 = 0

    ∆ = b² - 4ac when : a = 1 and b=9 and c=2

    ∆ = b² - 4ac = (9) ²-4 (1) (2) = 81-8 = 73

    ∆ >0 two reals solutions ...
  2. 7 February, 14:13
    0
    1. it is x=-2/11
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