use binomial theorem to expand and simplfy (2a-3b)^5

Question

amistre64 · Answer

1 5 10 10 5 1

(2a)^5 +5(2a)^4(-3b) +10(2a)^3(-3b)^2 
      +10(2a)^2(-3b)^3 +5(2a)(-3b)^4 +(-3b)^5

anonymous · Answer

thank you soo much for the last problem! (: and this one to :D

anonymous · Answer

TOO

amistre64 · Answer

32a^5 -480a^4b -2160a^3b^2 
      -1080a^2b^3 +810ab^4 -243b^5

Youre welcome :)  might have to check my signs to be sure on this

amistre64 · Answer

-2160a^3b^2 is wrong; should be:

+2160a^3b^2

anonymous · Answer

are you a college student?

anonymous · Answer

random (:

amistre64 · Answer

$$32a^5 -480a^4 b +2160a^3 b^2 -1080a^2 b^3 +810ab^4 -243b^5$$

amistre64 · Answer

it chopped my artwork lol

anonymous · Answer

posted again when you're done...laptop was slow so had to get on desktop

amistre64 · Answer

if I did the exponents right, and kept track of it all, that should be it :)

and yeah, I go to colloege at the moment, but I am way older than the other students ;)

anonymous · Answer

haha; i see. well thanks for all your help! :)

anonymous · Answer

i really appreciate it!

amistre64 · Answer

youre welcome :)  as long as I dont get typos in the numbers, these should be good :)