Verify that (x+4)(x+5)(x−4)=x3+5x2−16x−80(x + 4)(x + 5)(x - 4) = x^3 + 5x^2 - 16x - 80(x+4)(x+5)(x−4)=x3+5x2−16x−80
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.