Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
thatgirl666
Group Title
The product of (a + b)(a − b) is a perfect square trinomial.
 one year ago
 one year ago
thatgirl666 Group Title
The product of (a + b)(a − b) is a perfect square trinomial.
 one year ago
 one year ago

This Question is Closed

thatgirl666 Group TitleBest ResponseYou've already chosen the best response.0
Sometimes Always Never
 one year ago

ZeHanz Group TitleBest ResponseYou've already chosen the best response.0
If you FOIL it: First: a*a = a² Outer: a*(b) = ab Inner: b*a = ab Last: b*(b) = b² Add up everything: a² + ab + ab + b². What do you think about the middle two terms?
 one year ago

thatgirl666 Group TitleBest ResponseYou've already chosen the best response.0
theyre the same?
 one year ago

timo86m Group TitleBest ResponseYou've already chosen the best response.1
it expands to a^2b^2 so it never a trinomial
 one year ago

thatgirl666 Group TitleBest ResponseYou've already chosen the best response.0
So its never?
 one year ago

timo86m Group TitleBest ResponseYou've already chosen the best response.1
never cuzz the middle terms cancel out meaning you always get a binomial, not a trinomial
 one year ago

thatgirl666 Group TitleBest ResponseYou've already chosen the best response.0
ohhhh okay :) thank you!
 one year ago

ZeHanz Group TitleBest ResponseYou've already chosen the best response.0
The middle two terms cancel: ab+ab=0, so you are left with only a²b². So never a trinomial; there are only two terms.
 one year ago

gahm8684 Group TitleBest ResponseYou've already chosen the best response.0
for anyone lookin at this the answer is not never
 2 months 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.