Solve the inequality $$$2 x+7> 4$$$ (2) (b) Solve $$$x^{2}-3 x-40=0$$$ Show clear algebraic working. (3)

Mathematics

IGCSE&ALevel

EDEXCEL

Exam No：4MA1_2H_que_20200305 Year：2020 Question No：7

Answer:

2: Equations, formulae and identities

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