Expand and simplify (2x+1)(x+3)(2x + 1)(x + 3)(2x+1)(x+3).
Hence show that (2x+1)(x+3)(x−2)=2x3+3x2−11x−6(2x + 1)(x + 3)(x - 2) = 2x^3 + 3x^2 - 11x - 6(2x+1)(x+3)(x−2)=2x3+3x2−11x−6 for all values of xxx.
225 exam-style questions on Eduqas GCSE Maths Expanding Triple Brackets. Each one has a worked solution and a mark scheme showing where the marks go.