Respuesta :

Answer:

2340x^2+3786x+7

Step-by-step explanation:

6x+7+(13x+21)(180)x

Distribute:

=6x+7+2340x2+3780x

Combine Like Terms:

=6x+7+2340x2+3780x

=(2340x^2)+(6x+3780x)+(7)

=2340x^2+3786x+7

Answer:

=2340x^2+3786x+7