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28 March, 02:37

What 2 numbers add up to get 17 and multiply to get - 308?

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  1. 28 March, 02:40
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    A) x + y = 17

    B) x * y = - 308

    B) y = - 308 / x Substituting this into A)

    A) x - 308 / x = 17

    A) x^2 - 308 = 17x

    A) x^2 - 17x - 308 = 0

    x = 28

    y = - 11
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