Respuesta :

Answer:

Step-by-step explanation:

4(2x+10)=0

8x+40=0

-40       -40

8x=-40

x=-5

Answer:

-5

Step-by-step explanation:

First you have to distribute 4 to 2x and 10, giving us 8x + 40 = 0. Then subtract 40 from both sides, giving us 8x = -40. Now divide -40 by 8, which gives us -5.