Respuesta :

Answer:

36

Step-by-step explanation:

8x^2 - 7x^2 +14x +40 = 0

x^2 + 14x + 40 = 0

a = 1, b = 14, c = 40

14^2 - 4*1*40

36

Answer:

36

Step-by-step explanation:

you're welcome hope this helps