Question

(5
$(5 + \sqrt{7)(2 + \sqrt{5} }$
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Answer 1

$(5 + \sqrt{7)} (2 + \sqrt{5} ) \\ 5 \times 2 + 5 \sqrt{5} + 2 \sqrt{7} + \sqrt{7} \sqrt{5} \\ 10 + 5 \sqrt{5 } + 2 \sqrt{7} + \sqrt{35} \\ = 32.38792$

$\mathsf \green{Hope \: it \: helps \: uhh ;) }$