Mathematics

Mathematics

Problem

Factorise completely: 5(x2−2x−3)−2(x2−2x−3)5\bigl(x^{2}-2x-3\bigr)-2\bigl(x^{2}-2x-3\bigr). Choose the correct option. a) 3(x+3)(x−1)3(x+3)(x-1) b) (x−3)(x+1)(x-3)(x+1) c) 3(x−3)(x+1)3(x-3)(x+1) d) 2(x−3)(x+1)2(x-3)(x+1)

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