Which of the following is a root of the quadratic equation, 3x^2 + 13x + 14 = 0 ? 1. -1/3 2. -3/2 3. -5/3 4. -7/3

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Which of the following quadratic equations has 2 and 3 as its roots?
x² - 5x + 6 = 0
x² + 5x + 6 = 0
x² - 5x - 6 = 0
x² + 5x - 6 = 0