Simplify fully (3+2)(5−22)7\displaystyle \frac{(3 + \sqrt{2})(5 - 2\sqrt{2})}{\sqrt{7}}7(3+2)(5−22), giving your answer in exact form.
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217 exam-style questions on WJEC GCSE Maths Surds. Each one has a worked solution and a mark scheme showing where the marks go.