3x+9xy-1-3y

how do i factorise?
in Pre-Algebra 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

3x+9xy-1-3y=3x(1+3y)-(1+3y)=(3x-1)(1+3y).

(It makes it easier to understand if we let z=1+3y, then:

3xz-z factorises into (3x-1)z, and we replace z: (3x-1)(1+3y).)
by Top Rated User (1.1m points)

Related questions

1 answer
(3x^4y^3)^6/(9xy^2)
asked Feb 6, 2014 in Algebra 1 Answers by anonymous | 492 views
1 answer
How do you factor: 3x^2y-9xy^3+6x^3
asked Mar 11, 2013 in Algebra 1 Answers by anonymous | 720 views
1 answer
(-3x^2+5xy+6y^2)-(8x^2+9xy-8y^2)
asked Oct 4, 2011 in Algebra 2 Answers by anonymous | 761 views
1 answer
(7x^2-9xy+y^2)-(2x^2-8xy-y^2)
asked May 13, 2020 in Algebra 1 Answers by anonymous | 350 views
1 answer
what the answer -2xy,-12xy,9xy,-6xy
asked Oct 8, 2019 in Algebra 1 Answers by anonymous | 817 views
1 answer
Factorise 6x2+9xy+27x3y2
asked May 26, 2019 by M | 556 views
1 answer
4+9xy-18y-2x
asked Nov 3, 2013 in Algebra 2 Answers by anonymous | 700 views
0 answers
9xy+2x-9y-2/4xy+x-4y-1
asked Dec 9, 2012 in Pre-Algebra Answers by anonymous | 576 views
1 answer
whats the answer 6x^2 - 9xy ?
asked Sep 11, 2012 in Algebra 2 Answers by anonymous | 2.4k views
1 answer
How do I solve (x+y)2-(9xy-6x2)=
asked Aug 28, 2012 in Algebra 1 Answers by anonymous | 770 views
1 answer
solve (x+y)^2-(9xy-6x^2)
asked Feb 8, 2012 in Pre-Algebra Answers by anonymous | 1.1k views
1 answer
How do you factor 6x^2-4x-9xy+6y?
asked Nov 15, 2011 in Algebra 2 Answers by anonymous | 839 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. complete the following. 825 use each digit once .make the two smallest 3 digit numbers and two largest 3-digit number (2)
  4. Solve 15 -1(12รท4+1)? (4)
  5. 8:4(5+2) (3)

Most popular tags

87,542 questions
99,771 answers
2,417 comments
505,694 users