Factorise $$$x^{2}-x-42$$$ (2) (b) Solve the inequality $$$3 x+15< 8 x+3$$$ Show clear algebraic working. (3)

Mathematics

IGCSE&ALevel

EDEXCEL

Exam No：4MA1_2FR_que_20201106 Year：2020 Question No：22

Answer:

2: Equations, formulae and identities

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