Respuesta :

priyankashrestha584

Answer:

14×6 = 84

7-12 = -5

.°. 7x - 12x is the answer

Step-by-step explanation:

14x²- 5x - 6

14x²- (7 - 12)x - 6

14x²- 7x + 12x - 6

7x(2x - 1) + 6(2x - 1)

(7x + 6) (2x -1)