(2a-7b)² ????

Please help me expand this for the answer!! I'm really confuzed! Thanks
in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

(2a - 7b)^2
= (2a)(2a) + (2a)(-7b) + (-7b)(2a) + (-7b)(-7b)
= 4a^2 - 14ab - 14ab + 49b^2
= 4a^2 - 28ab + 49b^2
by

Related questions

1 answer
2a+7b=33 -2a+b=7
asked Apr 11, 2013 in Algebra 1 Answers by anonymous | 612 views
1 answer
2a+8b+1o-3a+7b+16
asked Mar 6, 2013 in Algebra 1 Answers by anonymous | 550 views
0 answers
2a + 7b + 17c = 31
asked Oct 20, 2012 in Algebra 1 Answers by anonymous | 527 views
1 answer
simplify (2a)(2b^2)/(7b^4) and get restrictions
asked May 29, 2012 in Algebra 2 Answers by anonymous | 784 views
2 answers
(2a+7b)^2; solve
asked Feb 25, 2012 in Algebra 1 Answers by anonymous | 2.2k views
1 answer
(2a+5)²(9a-14)
asked Sep 12, 2023 in Algebra 2 Answers by anonymous | 539 views
1 answer
1-2a-2b-3(a+b)²
asked Jun 23, 2014 in Algebra 1 Answers by abcd | 1.1k views
1 answer
6a-7b=31, -7+5b=1
asked Dec 9, 2019 in Other Math Topics by anonymous | 463 views
1 answer
(3.4a – 1.7b) + (2.5a – 3.9b)
asked Sep 6, 2017 in Algebra 2 Answers by anonymous | 1.1k views
1 answer
If 3b-(6-b)=22 then find the value of 7b
asked Dec 13, 2014 in Algebra 1 Answers by Arron | 1.8k views
1 answer
-7b+4a-6a-9b how to solve
asked Feb 1, 2014 in Pre-Algebra Answers by anonymous | 1.0k views
1 answer
what is the answer to 8b-8=16-2b+7b
asked Nov 7, 2013 in Pre-Algebra Answers by nala weaver | 518 views
1 answer
Solve 3a+7b=9
asked Sep 11, 2013 in Algebra 2 Answers by anonymous | 1.2k views
1 answer
7(6a+7a+1a)+6(7b+2b+1b)=
asked Jul 15, 2013 in Algebra 1 Answers by tiffany | 681 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,279 answers
2,420 comments
732,353 users