Show that (3x−2)(2x+1)2=12x3+4x2−5x−2(3x - 2)(2x + 1)^2 = 12x^3 + 4x^2 - 5x - 2(3x−2)(2x+1)2=12x3+4x2−5x−2 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.