A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing

This Question is Closed

ChrisV
 3 years ago
Best ResponseYou've already chosen the best response.1im trying to remember how to do this one sec

lazypig
 3 years ago
Best ResponseYou've already chosen the best response.2\[x ^{2}+y ^{2}+2xy =16+6\times2\] \[\left( x +y \right)^{2}=28\] \[x +y =\pm \sqrt{28}\]

ChrisV
 3 years ago
Best ResponseYou've already chosen the best response.1dunno how you came up with that but no way that works

ChrisV
 3 years ago
Best ResponseYou've already chosen the best response.1its obvious the values of x and y are 2 and 3 but i cannot for the life of me remember how to explain it

myininaya
 3 years ago
Best ResponseYou've already chosen the best response.0\[(x+y)^2=x^2+2xy+y^2=x^2+y^2+2(xy)=16+2(6)=16+12=28\] so we have \[(x+y)^2=28 => x+y=\pm \sqrt{28}\]

myininaya
 3 years ago
Best ResponseYou've already chosen the best response.0so i agree with lazy :)
Ask your own question
Sign UpFind more explanations on OpenStudy
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.