l(Solve by factorization method) 3m² + 11m + 6 = 0
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3m² + 11m + 6 = 0
》3m² + 2m + 9m + 6 = 0
》m(3m + 2) + 3(3m + 2) = 0
》(m + 3) (3m + 2) = 0
》m + 3 = 0 or 3m + 2 = 0
》m = -3 or m = -2/3
》m = -3 or -2/3
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