Register
Multiply and simplify: (3x-1)(3x+1)
168k views
2 votes
Multiply and simplify: (3x-1)(3x+1)

User Haventchecked
by
5.3k points

2 Answers

4 votes
the answer is 1 thats what I got
User Kobski
by
6.2k points
3 votes
easily done
the fastest way is to recognize the differnce of 2 perfec squares

(a-b)(a+b)=a²-b²

sp
o
(3x-1)(3x+1)=(3x)²-(1)²=9x²-1
User Zilong Li
by
5.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.4m questions

8.4m answers

Other Questions

What is the least common denominator of the four fractions 20 7/10 20 3/4 18 9/10 20 18/25
What is 0.12 expressed as a fraction in simplest form
Solve using square root or factoring method plz help!!!!.....must click on pic to see the whole problem
What is distributive property ?
What is the measure of xyz
Link Copied!