Respuesta :

Answer:

a = 2

b = 2

c = -12

d = 0

Step-by-step explanation:

(x+3) (2x-4).

2x² -4x + 6x -12

2x²+2x-12

matching with the quadratic formula: ax² +bx + c

We can determine that a is 2 and b is 2 and c is -12 and d is 0