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12 November, 20:34

X^2+8x+15=0 solve by fracturing

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  1. 12 November, 20:58
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    What 2 numbers multiply to get 15 and add to get 8?

    3 and 5

    (x+3) (x+5) = 0

    set equal to zero

    x+3=0

    x=-3

    x+5=0

    x=-5

    x=-5 and - 3
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