A rectangular photograph has a length of (4x+3)(4x + 3)(4x+3) cm and a width of (x−1)(x - 1)(x−1) cm.
Find an expression for the perimeter of the photograph.
Given the photograph has a perimeter of 49 cm, find the value of xxx.
Practise OCR GCSE Maths Forming and Solving Equations with exam-style questions for Foundation and Higher tier. 78 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.