Respuesta :

choixongdong

Answer:

B.  4x + 1

Step-by-step explanation:

4x^2 + 21x + 5

= (4x + 1)(x + 5)

Factors of this trinomial are (4x + 1) and (x + 5)

Answer

(4x + 1)

makenziehenthorn24

Answer:

4x+1

Step-by-step explanation:

just toook the test