Respuesta :

Answer:

The possible rational roots are  

±

1

,

±

2

,

±

4

,

±

5

,

±

10

,

±

20

. The rational roots are  

x

=

2

,

x

=

2

,

x

=

5

.

Step-by-step explanation:

The answer is:

D.

EDGE 2020