Write (2+5)2(2 + \sqrt{5})^2(2+5)2 in the form a+b5a + b\sqrt{5}a+b5, where a a\,a and b b\,b are integers.
Practise Edexcel GCSE Maths Surds with exam-style questions for Foundation and Higher tier. 80 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.