Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
anthony~
Group Title
Expand (x  2y)4.
A: x4 + 8x3y + 24x2y2 + 32xy3 + 16y4
B: x4  8x3y + 24x2y2  32xy3 + 16y4
C: x4  8x3y + 24x2y2  34xy3 + 16y4
D: x4  8x3y + 28x2y2  32xy3 + 16y4
 one year ago
 one year ago
anthony~ Group Title
Expand (x  2y)4. A: x4 + 8x3y + 24x2y2 + 32xy3 + 16y4 B: x4  8x3y + 24x2y2  32xy3 + 16y4 C: x4  8x3y + 24x2y2  34xy3 + 16y4 D: x4  8x3y + 28x2y2  32xy3 + 16y4
 one year ago
 one year ago

This Question is Closed

Voidus Group TitleBest ResponseYou've already chosen the best response.0
aren't they all the same?
 one year ago

anthony~ Group TitleBest ResponseYou've already chosen the best response.0
not really.
 one year ago

anthony~ Group TitleBest ResponseYou've already chosen the best response.0
i think its x^4  8x^3y + 24x^2y^2  32xy^3 + 16y^4 (B)
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
they only differ in sign changes
 one year ago

Voidus Group TitleBest ResponseYou've already chosen the best response.0
@amistre64 actually that and the coefficients.
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
...28 and 34 .... sneaky
 one year ago

anthony~ Group TitleBest ResponseYou've already chosen the best response.0
the numbers are different too. the numbers, signs and all that. they're not the same. none of them.
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
1 4 6 4 1 pascal row x x x x 1 power down 1 2y 2y 2y 2y power up 
 one year ago

anthony~ Group TitleBest ResponseYou've already chosen the best response.0
x^4  8x^3y + 24x^2y^2  32xy^3 + 16y^4??
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
http://www.wolframalpha.com/input/?i=expand+%28x++2y%29%5E4 but yeah, B is good
 one year ago
See more questions >>>
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.