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Alice Webster
Mathematics
21 November, 10:34
Can you simplify (7+sqrt of 5) (3-sqrt of 5)
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Emery George
21 November, 10:45
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(7+√5) (3-√5) = 21-7√5+3√5-5=16-4√5
Answer: (7+√5) (3-√5) = 16-4√5
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