Respuesta :

dspader

Answer:

8x²+28x+20

Step-by-step explanation:

(2x+5)(4x+4)

2x*4x=8x²

2x*4=8x

5*4x=20x

5*4=20

8x²+8x+20x+20

8x²+28x+20

-hope it helps

Answer:

15x

Step-by-step explanation:

1. 2x+5 = 7x

2. 4x+4 = 8x

7x + 8x = 15x