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8 February, 16:46

Two numbers add to be 5 multiply to be - 6

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  1. 8 February, 17:32
    0
    -1, 6

    Step-by-step explanation:

    x + y = 5

    xy = - 6

    Take first equation and rewrite it. y = - x + 5

    Then substitute the new equation in the second one.

    x (-x + 5) = - 6

    -x^2 + 5x + 6 = 0

    Divide by - 1

    x^2 - 5x - 6

    (x + 1) (x - 6) = 0

    x = - 1, 6
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