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**Question**

9 a) Expand and simplify (

*x*– 2)(2*x*+ 3)(*x*+ 1)**[3 marks]**

b) Find the value of n.

**[2 marks]**

c) Solve 5*x*^{2} – 4*x* – 3 = 0

Give your solutions correct to 3 significant figures.

**[3 marks]**