Question
Find the roots of the quadratic equation: 2x2 + 3x - 9 = 0?
Answer: Option B
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2x2 + 6x - 3x - 9 = 0
2x(x + 3) - 3(x + 3) = 0
(x + 3)(2x - 3) = 0
=> x = -3 or x = 3/2.
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