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

The area of the shape is 40cm2
Show that 4x2−25x+20=04x^2 - 25x + 20 = 04x2−25x+20=0
Find the value of xxx. Give your answer to 3 significant figures.
Practise Eduqas GCSE Maths Quadratic Formula with exam-style questions for Foundation and Higher tier. 49 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 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.