A rectangle has a length of (3x−1)(3x - 1)(3x−1) cm and a width of (2x+4)(2x + 4)(2x+4) cm.

Find an expression for the perimeter of the rectangle.
Given the rectangle has a perimeter of 66 cm, find the value of xxx.
Practise Eduqas GCSE Maths Forming and Solving Equations with exam-style questions for Foundation and Higher tier. 78 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 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.