The diagram shows a rectangle PQRSPQRSPQRS. The length of side PQ PQ\,PQ is 4x−24x - 24x−2. The length of side SR SR\,SR is 2x+102x + 102x+10. All measurements are in centimetres.

The width QR QR\,QR of the rectangle is 12 cm.
Find the area of PQRSPQRSPQRS.
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.