(2x+3y)^3 "expand your binomial"

Question

(2x+3y)^3  "expand your binomial"

anonymous · Answer

-_-

anonymous · Answer

Hey some people only need the answer, I'm just saying.

anonymous · Answer

im not one of the i need help

raden · Answer

use formula binomial newton, it means
3C0(2x)^(3-0)(3y)^0 + 3C1(2x)^(3-1)(3y)^1 + + 3C2(2x)^(3-2)(3y)^2 +  3C3(2x)^(3-3)(3y)^3, calculate this and simplify

raden · Answer

sorry, there are double sign (+) there

raden · Answer

can u continue it...

raden · Answer

if u just need the answer, lets ask to wolfram :) http://www.wolframalpha.com/input/?i=%282x%2B3y%29^3

anonymous · Answer

okay thank you

raden · Answer

yw

amistre64 · Answer

the wolf is an acceptable means to dbl chk your work.

raden · Answer

what do u meant @aminstre64... sorry my english not so good

anonymous · Answer

i still dnt get it i wanna learn how to do it

anonymous · Answer

personally i just write the expression out three times

anonymous · Answer

(2x+3y)(2x+3y)(2x+3y)

anonymous · Answer

i multiply the first two parenthesis together using the foil technique. I then simplify those terms and then foil those with the remaining parenthesis...make sense? sorry that was wordy

raden · Answer

that work too, easier than me... :)
i think he want to expand it by binomial newton

anonymous · Answer

ur way is faster...but i always second guess myself..so i just multiply it out =P

raden · Answer

lol,,, i hope useful to expand it if given the bigest power of binom like
(2x+3y)^20

anonymous · Answer

agreed