A rectangle has a length of (2x+7)(2x + 7)(2x+7) cm and a width of (x+2)(x + 2)(x+2) cm.

Find an expression for the perimeter of the rectangle.
Given the rectangle has a perimeter of 60 cm, find the value of xxx.
71 exam-style questions on Edexcel GCSE Maths Forming and Solving Equations. Each one has a worked solution and a mark scheme showing where the marks go.