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Simplification
Which of the following quadratic equations has real roots?
4x2 - 9x + 6 = 0
3x2 - 2x + 6 = 0
2x2 - 7x + 6 = 0
x2 - 2x + 2 = 0
Correct Answer:
2x2 - 7x + 6 = 0
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