Show that 18x3+15x2−4x−4=(2x−1)(3x+2)218x^3 + 15x^2 - 4x - 4 = (2x - 1)(3x + 2)^218x3+15x2−4x−4=(2x−1)(3x+2)2 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.