Question

(2+root5)(5+root7)
please answer me ​

Answer 1

Step-by-step explanation:

your answer is above

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Answer 2

$(2 + \sqrt{5} )(5 + \sqrt{7} ) \\ = 2 \times( 5 + \sqrt{7} ) + \sqrt{5} \times (5 + \sqrt{7} ) \\ = 10 + 2 \sqrt{7} + 5 \sqrt{5} + \sqrt{35}$