A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
If y = (x + 3)2, then (2x  6)2 must equal which of the following?
A.
4y2
B.
2y2
C. 4y
D. 4y
wHAT FORMULA DO I USE TO GET THE ANSWER?
anonymous
 one year ago
If y = (x + 3)2, then (2x  6)2 must equal which of the following? A. 4y2 B. 2y2 C. 4y D. 4y wHAT FORMULA DO I USE TO GET THE ANSWER?

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Does anyone know what formula I use to get the answer?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You use math... \[y = (x+3)^2\] \[\sqrt(y) = x+3\] \[(2x6)^2 = (2\sqrt(y))^2\] =4y (...gotta learn how to write latex again)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@nphuongsun93 Thank can you walk me through the steps so I know how to do it with other problems?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ok. \[y = (x+3)^2\]\[\sqrt(y) = x+3\] Understand this so far?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0hint: \( y={\color{brown}{ (x+3)^2 }}\qquad (2x6)^2\to \begin{cases} [2(x+3)]^2\impliedby \textit{common factor}\\ (2)^2(x+3)^2\impliedby expanded\\ +4{\color{brown}{ (x+3)^2 }} \end{cases}\)
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.