Grouping (Leaving Cert Mathematics): Quizzes

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Grouping
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What is the common factor in the expression 9a2−6ab+12ac−8bc9a^2-6ab+12ac-8bc?

(3a−2b)(3a-2b)

Factorise 3a(3a−2b)+4c(3a−2b)3a(3a-2b)+4c(3a-2b).

(3a−2b)(3a+4c)(3a-2b)(3a+4c)

What does factoring reveal in an expression?

Common factors

How to check if the factorization is correct?

Compare original and expanded

Identify the expression's components in the grouping: 9a2−6ab+12ac−8bc9a^2-6ab+12ac-8bc.

Factors and terms

Why group terms in algebra?

To find common factors

What is a common factor?

Shared factor in terms

Why factorise algebraic expressions?

Simplify calculations

What is the importance of common factors?

Simplify expressions

What is the purpose of grouping terms?

Reveal common factors

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