Show that (x−1)(x+3)2=x3+5x2+3x−9(x - 1)(x + 3)^2 = x^3 + 5x^2 + 3x - 9(x−1)(x+3)2=x3+5x2+3x−9 for all values of xxx.
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.