Expanding double brackets (AQA GCSE Maths): Flashcards

Multiplying two brackets together to create a single algebraic expression

One-at-a-time, FOIL, and grid method

First, Outer, Inner, Last

Multiply the first term in each bracket

1st term of 1st bracket × 2nd term of 2nd bracket

2nd term of 1st bracket × 1st term of 2nd bracket

Multiply the last term in each bracket

Terms from 1st bracket along the top, 2nd bracket terms down the side

Collect like terms to simplify

$(x - 3)(x - 3)$ - multiplying the bracket by itself