answersLogoWhite

0

(5x+4)(9x+9)

FOIL

First (5x*9x=45x**2)

Outside (5x*9=45x)

Inside (4*9x=36x)

Last (4*9=36)

45x**2+45x+36x+36

45x**2+81x+36

9(5x**2+9x+4x)

User Avatar

Wiki User

14y ago

Still curious? Ask our experts.

Chat with our AI personalities

JordanJordan
Looking for a career mentor? I've seen my fair share of shake-ups.
Chat with Jordan
ProfessorProfessor
I will give you the most educated answer.
Chat with Professor
LaoLao
The path is yours to walk; I am only here to hold up a mirror.
Chat with Lao

Add your answer:

Earn +20 pts
Q: What is the trinomial for 5x plus 4 9x plus 9?
Write your answer...
Submit
Still have questions?
magnify glass
imp