Show that (5x−1)(x−2)(3x+2)=15x3−23x2−16x+4(5x - 1)(x - 2)(3x + 2) = 15x^3 - 23x^2 - 16x + 4(5x−1)(x−2)(3x+2)=15x3−23x2−16x+4 for all values of xxx.
Practise Edexcel GCSE Maths Expanding Triple Brackets with exam-style questions for Foundation and Higher tier. 56 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.