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15 October, 16:49

The product of some negative number and 7 less than three times that number is 20. find the number.

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  1. 15 October, 17:13
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    The given relation is

    n· (3n-7) = 20

    In standard form, this is

    3n² - 7n - 20 = 0

    (n - 4) (3n + 5) = 0

    n = 4 or - 5/3

    The number is - 5/3.
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