Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
← 55 members online
 0 viewing

This Question is Closed

abhorsen Group TitleBest ResponseYou've already chosen the best response.0
Remember the rule about factoring differences of squares: \(a^2b^2 = (a+b)(ab)\). Does that help you out?
 3 years ago

chelbell409 Group TitleBest ResponseYou've already chosen the best response.0
no can u explain it farther
 3 years ago

abhorsen Group TitleBest ResponseYou've already chosen the best response.0
So are the two parts of the equation (\(81\) and \(4x^2\)) squares?
 3 years ago

abhorsen Group TitleBest ResponseYou've already chosen the best response.0
Now set \(a=4x^2\) and \(b=81\), and plug it in to the equation I gave above.
 3 years ago

abhorsen Group TitleBest ResponseYou've already chosen the best response.0
Uh... correction: \(a^2 = 4x^2\) and \(b^2 = 81\).
 3 years ago

Kynosis Group TitleBest ResponseYou've already chosen the best response.0
Yep. (2x  9) (2x + 9)
 3 years ago

quannie74 Group TitleBest ResponseYou've already chosen the best response.0
\[81+4x^2=0\]
 3 years ago

quannie74 Group TitleBest ResponseYou've already chosen the best response.0
can u explain step by step because i am on these problems in my math class
 3 years 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.