Mark is solving the equation 4x^2 = 12x - 9 using the quadratic formula.

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

Question 6 options:

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


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


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


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