A community for students.
Here's the question you clicked on:
 0 viewing
cdelomas
 2 years ago
(x+3) (x+3)^3 simplify
cdelomas
 2 years ago
(x+3) (x+3)^3 simplify

This Question is Closed

vinrar
 2 years ago
Best ResponseYou've already chosen the best response.0(a+b)^3 = a^3 + b^3 + 3ab(a+b)

nitz
 2 years ago
Best ResponseYou've already chosen the best response.2see there are two ways...... either expand the cube and multiply/.... or use binomial expansion (x+3)^4.

mathslover
 2 years ago
Best ResponseYou've already chosen the best response.0\[\large{(x+3)(x+3)^3}\] \[\large{(a+b)^3=a^3+b^3+3ab(a+b)>identity}\]

mathslover
 2 years ago
Best ResponseYou've already chosen the best response.0@cdelomas have u learnt binomial theorem?

nickhouraney
 2 years ago
Best ResponseYou've already chosen the best response.0binomial theorem or pascals triangle will work

cdelomas
 2 years ago
Best ResponseYou've already chosen the best response.0i will check it out and comeback

mathslover
 2 years ago
Best ResponseYou've already chosen the best response.0forget binomial theorem : \[\large{(x+3)(x+3)^3=(x+3){(x+3)(x+3)(x+3)}}\] \[\large{(x+3)^2(x+3)^2}\] \[\large{(x+3)^2=x^2+3^2+2(x)(3)}\] \[\large{x^2+9+6x}\] \[\large{(x^2+9+6x)(x^2+9+6x)}\] \[\large{x^4+9x^2+6x^3+9x^2+81+54x+6x^3+54x+36x^2}\] \[\large{x^4+12x^3+54x^2+108x+81}\]
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.