Mark is solving the equation 4x2 = 12x - 9 using the quadratic formula.

Which values could he use for a, b and c?

Question 6 options:

A. a = 4, b = 9, c = - 12

B. a = 4, b = - 12, c = 9

C. a = 4, b = 12, c = - 9

D. a = 4, b = - 9, c = 12

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