Results 1 to 4 of 4

Thread: Help with Factorising Algebraic Expressions

  1. #1
    New Member
    Join Date
    Jul 2017
    HSC
    2020
    Gender
    Female
    Location
    Sydney
    Posts
    14
    Rep Power
    2

    Help with Factorising Algebraic Expressions

    How do you factorise a2-b2-a+b?

    The answers state (a-b)(a+b-1), and whilst trying to work out the question I got up to "(a+b)(a-b)-(a-b)" but have no idea on what to do next... complete mindblank rn x-x
    v prelims 2019 v


    physics ~ biology ~ maths 2u ~ maths 3u ~ english adv ~ modern history ~ software design + development

  2. #2
    Rambling Spirit
    Join Date
    Dec 2014
    HSC
    N/A
    Gender
    Male
    Posts
    6,091
    Rep Power
    8

    Re: Help with Factorising Algebraic Expressions

    Quote Originally Posted by HelloIAmGone View Post
    How do you factorise a2-b2-a+b?

    The answers state (a-b)(a+b-1), and whilst trying to work out the question I got up to "(a+b)(a-b)-(a-b)" but have no idea on what to do next... complete mindblank rn x-x

  3. #3
    Member HeroWise's Avatar
    Join Date
    Dec 2017
    HSC
    N/A
    Gender
    Male
    Location
    01001110 01100101 01110111 00100000 01010011 01101111 01110101 01110100 01101000 00100000 01010111 01100001 01101100 01100101 01110011
    Posts
    251
    Rep Power
    2

    Re: Help with Factorising Algebraic Expressions


  4. #4
    New Member
    Join Date
    Jul 2017
    HSC
    2020
    Gender
    Female
    Location
    Sydney
    Posts
    14
    Rep Power
    2

    Re: Help with Factorising Algebraic Expressions

    Didn't think of that at all... thanks!
    v prelims 2019 v


    physics ~ biology ~ maths 2u ~ maths 3u ~ english adv ~ modern history ~ software design + development

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •