CAIE IGCSE Mathematics Extended E2.2.4 Factorise Expressions of the Form Ax Bx Kay Kby A2x2 B2y2 Questions

Practise Extended CAIE IGCSE Mathematics by grouping terms, applying difference-of-squares or polynomial patterns, and factorising each expression completely.

Exam points

Group four terms to expose a shared bracket, then extract the common factor before completing the factorisation.
Apply difference-of-squares, quadratic or cubic factorisation patterns and continue until the expression is fully factorised.

[Maximum number: 2]

Factorise.

2 x+6-3 x y-9 y

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