Expand and Simplify (3x+1)(x+2)(x−4)(3x + 1)(x + 2)(x - 4)(3x+1)(x+2)(x−4), giving your answer in the form ax3+bx2+cx+dax^3 + bx^2 + cx + dax3+bx2+cx+d.
225 exam-style questions on OCR GCSE Maths Expanding Triple Brackets. Each one has a worked solution and a mark scheme showing where the marks go.