Multiplying Out Brackets (Edexcel GCSE Maths): Quizzes

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Multiplying out brackets
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What is expanding brackets also known as in algebra?

The distributive property

When expanding single brackets, what must the term outside the bracket do?

Multiply each term inside

When you multiply pp and qq together, how do you write it?

pqpq

What does r×rr \times r equal?

r2r^2

What does xy2xy^2 mean?

x×y×yx \times y \times y

What happens when there is a minus sign outside a bracket?

It reverses all signs inside

What is 3(2x+5)3(2x + 5) when expanded?

6x+156x + 15

What is 4(3p27q3)-4(3p^2 - 7q^3) when expanded?

12p2+28q3-12p^2 + 28q^3

In the FOIL method, what does the letter I stand for?

Inside

How many terms do double brackets typically give you initially?

Four terms

What is the safe approach for expanding squared brackets like (3x+5)2(3x + 5)^2?

Write as two brackets first

What is the critical error to avoid with (3x+5)2(3x + 5)^2?

Thinking it equals 9x2+259x^2 + 25

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