Algebra Revision

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Chloe  Morgan
Mind Map by Chloe Morgan, updated more than 1 year ago
Chloe  Morgan
Created by Chloe Morgan over 7 years ago
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Algebra Revision
  1. Factorising

    Annotations:

    • Factorising
    1. e.g- 10x + 15 = 5 (2x+3) find HCF (highest common factor) work out what to multiply this number by to get each term
    2. Substitution
      1. p* + r*= answ-3*+7*- 7 to the power of 2 7×7= sum becomes 9+49=58
      2. Solving equations
        1. eg- x+5=12-subtract 5 away from from x so x is on its own (same on other side) 12-5=7 so x=7
        2. Collecting like terms
          1. 6x+3y-+2y in this formula their are 4 terms 6x,3y,7 and 2x
          2. simple formula
            1. 2 columns multiply final cost
            2. Expanding brackets
              1. CLAW METHOD 6 (×+5) Multiply outside number with letters or numbers inside the brackets answ- 6x+30
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