Expanding brackets (AQA GCSE Maths): Flashcards

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Expanding brackets
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What is expanding brackets?

Multiplying the term outside by every term inside brackets

Another name for expanding brackets

Multiplying out brackets

The golden rule for expanding brackets

Multiply outside by EVERYTHING inside brackets

Expand 4n(n+2)4n(n + 2)

4n2+8n4n^2 + 8n

Expand 2(xy)-2(x - y)

2x+2y-2x + 2y

When multiplying, both same sign gives...

Positive result

When multiplying, one pos. & one neg. gives...

Negative result

What does 'expand and simplify' mean?

Expand brackets, then collect like terms

Expand 5(2y3)5(2y - 3)

10y1510y - 15

Where do negative signs belong?

To the term on their right

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