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13 September, 04:12

What adds up to - 3 and multiplies to - 54

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Answers (2)
  1. 13 September, 04:31
    0
    A + b = - 3

    b = - 3 - a

    ab = - 54

    a * (-3 - a) = - 54

    -3a - a^2 = - 54

    -a^2 - 3a + 54 = 0

    (-a + 6) (a + 9) = 0

    -a + 6 = 0 V a + 9 = 0

    a = 6 V a = - 9

    So, according to my opinion, the numbers are 6 and - 9
  2. 13 September, 04:34
    0
    -9 and 6 add up to - 3 and multiplies to - 54
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