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Mathematics for IGCSE & O level - Equations (Section 6 - No. 35)

In the equation x² + 5x + 6 = 0, what are the values of a, b, and c?
a = 1, b = 5, c = 6
a = 0, b = 5, c = 6
a = 1, b = 6, c = 5
a = 6, b = 5, c = 1

解释

Matching with ax² + bx + c = 0.

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