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24 February, 04:30

The product of some negative number and 3 less than twice that number 665. Find the number.

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  1. 24 February, 04:40
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    x = 19, - 17.5

    Step-by-step explanation:

    The first term for some negative number = x

    the second term is thrice less than twice that number = 2x - 3

    The product is 665 : x (2x-3) = 665

    = 2x^2 - 3x - 665 = 0

    divided by 2,

    quadratic equation,

    x = 19, - 17.5
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