Last updated on Sep 21, 2026

Single brackets (OCR GCSE Maths): Flashcards

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Single brackets

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Rule for expanding single brackets

Multiply everything inside by the term outside

Result of: positive × negative

Negative

Result of: negative × negative

Positive

Expand $3(2a+6)$

$6a+12$

Expand $-4(t+2)$

$-4t-8$

Expand $-10(2c-4)$

$-20c+40$

Expand $5a(2b-c)$

$10ab-5ac$

What is $r \times r$ ?

$r^2$

Expand $4r(2r-9t)$

$8r^2-36rt$

Can brackets contain 3+ terms?

Yes, multiply outside term by each inside term

Expand $2ab(4a-3ab^2)$

$8a^2b-6a^2b^3$

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