Question

(5+√7)(2+√5)


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Answer 1

(5+√7)(2+√5)

=5(2+√5)+√7(2+√5)

=10+5√5+2√7+√35

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Answer 2

Answer:

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