Math question: In triangle ABC, angle A measures 50 degrees, and the angle bisector of angle B intersecting AC at point D splits it into segments AD = 6 and DC = 8. What is the length of AB?
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Math Question: Solve the inequality 2x + 5 β₯ 15.
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Math question: Solve the cubic equation x^3 + 4x^2 - 3x - 18 = 0.