Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
sabika13
Group Title
Prove that (xa) is a factor of x^3  (a + b + c)x^2 + (ab +bc + ca)xabc. How do I prove this???
 one year ago
 one year ago
sabika13 Group Title
Prove that (xa) is a factor of x^3  (a + b + c)x^2 + (ab +bc + ca)xabc. How do I prove this???
 one year ago
 one year ago

This Question is Closed

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
show that if you replace \(x\) by \(a\) you get 0
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
then you know if \(a\) is a root of a polynomial \(p(x)\) then you can factor as \(p(x)=(xa)(q(x))\)
 one year ago

sabika13 Group TitleBest ResponseYou've already chosen the best response.0
yeah i tried that, but i couldnt end up with a zero..
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
if you do not get 0, then you cannot factor
 one year ago

sabika13 Group TitleBest ResponseYou've already chosen the best response.0
i probably made a mistake.. because it has to equal to zero
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
\[a^3  (a + b + c)a^2 + (ab +bc + ca)aabc\] is a startr
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
yeah it works, try again
 one year ago

sabika13 Group TitleBest ResponseYou've already chosen the best response.0
a^3  (a + b +c)a^2 + (ab+ bc +ca)a abc = a^3  a^3 + a^3b + a^3 c + a^2b + bc+ca^  abc
 one year ago

sabika13 Group TitleBest ResponseYou've already chosen the best response.0
ohhh i see it, i messed up
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
hmmm forgot the distributive property for the second term
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
and some other mistakes too, but you can clean it up i am sure
 one year ago

sabika13 Group TitleBest ResponseYou've already chosen the best response.0
okay i tried and i ended up like this: 2a^2 + 2a^2c
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
lets go slow
 one year ago

sabika13 Group TitleBest ResponseYou've already chosen the best response.0
ohh its negative.. i got it
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
first step \[a^3  (a + b + c)a^2 + (ab +bc + ca)aabc\] second step ok
 one year ago

sabika13 Group TitleBest ResponseYou've already chosen the best response.0
yeah i didnt see the negative sign infront of the first bracket, thank you so much!!
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
yw (you did all the work)
 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.