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13 August, 22:06

Solve using the quadratic formula x^2+x=12

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  1. 13 August, 22:33
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    Step-by-step explanation:

    x²+x-12=0

    by factorization

    x²-3x+4x-12=0

    taking common

    x (x-3) + 4 (x-3)

    (x+4) (x-3)

    x = - 4. x=3
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