Factorise completely, giving your answer in the form px(q+rx)(q−rx)px(q+rx)(q-rx)px(q+rx)(q−rx), where ppp, q q\,q and r r\,r are positive integers: 108x−12x3108x - 12x^3108x−12x3
233 exam-style questions on Edexcel A Level Maths Algebraic Expressions, covering 1.1 Index Laws, 1.2 Expanding Brackets, 1.3 Factorising, 1.4 Negative and Fractional Indices, and 1.5 Surds. Each one has a worked solution and a mark scheme showing where the marks go.