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17 March, 06:22

One positive number is 3 more than twice another. If their product is 629, find the numbers.

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  1. 17 March, 07:10
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    17,37

    Step-by-step explanation:

    one number = x

    The positive number = 2x + 3

    x * (2x+3) = 629

    x*2x + x * 3 = 629

    2x² + 3x - 629 = 0

    2x² - 34x + 37x - 17*37 = 0

    2x * (x - 17) + 37 (x - 17) = 0

    (x - 17) (2x + 37) = 0

    x - 17 = 0; Ignore 2x + 37 as s is a positive number

    x = 17

    Positive number = 2*17 + 3 = 34+3 = 37
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