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

Matching with ax² + bx + c = 0.