A rectangular tile has a length of (2x+1)(2x + 1)(2x+1) cm and a width of (x+4)(x + 4)(x+4) cm.
Find an expression for the perimeter of the tile.
Given the tile has a perimeter of 40 cm, find the value of xxx.
Practise AQA GCSE Maths Forming and Solving Equations with exam-style questions for Foundation and Higher tier. 78 questions, matched to the AQA GCSE Maths (8300) 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.