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21 September, 17:32

3x2 + 14x - 49 = 0

solving the equation by factoring

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  1. 21 September, 18:13
    0
    Step-by-step explanation:

    3x²+14-49=0

    3*-49=-147

    21-7=14

    21*-7=-147

    3x²+21x-7x-49=0

    3x (x+7) - 7 (x+7) = 0

    (x+7) (3x-7) = 0

    x=-7,7/3
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