The diagram shows a six-sided shape formed from two rectangles. All measurements are given in centimetres.

The area of the shape is 60cm2
Show that x2+7x−26=0x^2 + 7x - 26 = 0x2+7x−26=0
Find the value of xxx. Give your answer to 3 significant figures.
49 exam-style questions on AQA GCSE Maths Quadratic Formula. Each one has a worked solution and a mark scheme showing where the marks go.