Ask
your own question, for FREE!
Mathematics
5 Online
OpenStudy (anonymous):
Factor completely: 81x4 – 1 A. (3x2 + 1)3(3x – 1) B. (9x2 + 1)(3x + 1)(3x – 1) C. (9x + 1)(9x – 1) D. (9x2 + 1)(9x2 – 1)
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
Take the sq. root of 81 and x^4 which = 9x^2. Sq root of 1 =1. Difference of perfect squares (a+b)(a-b).
OpenStudy (anonymous):
@Princezz
OpenStudy (anonymous):
It was B.
OpenStudy (anonymous):
But thanks anyways :D
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
playtsec:
how do I sleep without getting a sore throat? I always wake up with a sore throat but it goes away later in the day.
75:
how do you react when you deal with someone who plays the victim in every single situation, and do you find this behavior childish or annoying.
JohnnyLFowler0812:
Do you guys ever think that the homeless are going to be healthy and freed from h
JohnnyLFowler0812:
Do you guys ever think that Hikaru Nikanura will ever be take Magnus Calrsen's 1st place title in the wolrdin the United States amd Norway? Right now Hikaru
DoltonCarlee:
what are y'all's options on S A T essays because honestly their not that bad
thereneelg:
Can someone give me a summary of article 231, The war guilt clause?? I need to explain what it is, but I can't find any shortened version of what it is and
luisaam2:
What should you do when the person you want to talk to the most is the one making
playtsec:
how do I sleep without getting a sore throat? I always wake up with a sore throat but it goes away later in the day.
24 minutes ago
6 Replies
2 Medals
75:
how do you react when you deal with someone who plays the victim in every single situation, and do you find this behavior childish or annoying.
30 minutes ago
2 Replies
0 Medals
JohnnyLFowler0812:
Do you guys ever think that the homeless are going to be healthy and freed from h
5 hours ago
4 Replies
1 Medal
JohnnyLFowler0812:
Do you guys ever think that Hikaru Nikanura will ever be take Magnus Calrsen's 1st place title in the wolrdin the United States amd Norway? Right now Hikaru
2 hours ago
2 Replies
0 Medals
DoltonCarlee:
what are y'all's options on S A T essays because honestly their not that bad
2 hours ago
7 Replies
2 Medals
thereneelg:
Can someone give me a summary of article 231, The war guilt clause?? I need to explain what it is, but I can't find any shortened version of what it is and
3 days ago
7 Replies
1 Medal
luisaam2:
What should you do when the person you want to talk to the most is the one making
2 days ago
16 Replies
1 Medal