Factorising (Edexcel GCSE Maths): Flashcards

Opposite of expanding brackets

Find biggest number dividing all terms

Highest power of each letter in every term

Expanding brackets to match original

Difference Of Two Squares

$a^2 - b^2 = (a + b)(a - b)$

No, D.O.T.S. only for subtraction

Terms taken out and placed before brackets

$3x(x + 2)$

$(x + 1)(x - 1)$

$(3p + 4q)(3p - 4q)$

$3(x - 5y)(x + 5y)$