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Intermediate June 2017 Unit 2 Q18

WJECIntermediateCurrent spec5 marksExpanding BracketsFactorising

18.

(a) Factorise  \(x^3 - 5x\). [1]
(b) Expand and simplify  \((2x - 3)(x + 4)\). [2]
(c) Factorise  \(x^2 - 3x - 28\). [2]