Question

simplify (3+root2) (3+root5)​

Answer 1

$(3 + \sqrt{2} )(3 + \sqrt{5} ) \\ 3(3 + \sqrt{5} ) + \sqrt{2} (3 + \sqrt{5} ) \\ 9 + 3 \sqrt{5} + 3 \sqrt{2} + \sqrt{10}$

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