Show that (2x−1)(3x+2)2=18x3+15x2−4x−4(2x - 1)(3x + 2)^2 = 18x^3 + 15x^2 - 4x - 4(2x−1)(3x+2)2=18x3+15x2−4x−4 for all values of xxx.
Practise Edexcel IGCSE Maths Expanding Triple Brackets with exam-style questions for IGCSE Maths. 14 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.