The diagram shows a six sided shape formed from two rectangles. All measurements are given in centimetres.
The area of the shape is 35cm2
Show that 2x2+9x−25=02x^2 + 9x - 25 = 02x2+9x−25=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.