Register
(9x+7)(9x-7) what's the answer
120k views
0 votes
(9x+7)(9x-7) what's the answer

User Jankhana
by
6.9k points

2 Answers

3 votes

81x^2 - 49. The middle terms cancel out because of the opposing signs, but the answer is 81x^2 - 49

User Riegardt Steyn
by
7.2k points
6 votes
They cancel each other out because one is + and the other is -.
User Cakyus
by
7.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.6m questions

10.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!