(7 + 2 √50)(5 - 2 √2) give your answer in the form: a+b√18 where a and b are integers
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Always show your workings. Revision for ... (a) √50 + √32 ... Expand and simplify (3 + √8)(4 + √2). Give your answer in the form a + b √2 where a and b are integers.
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