Question

(4+√5) (√3-√7)
pls do fast and send pls pls pls ​

Answer 1

Your question ,

$(4 + \sqrt{5} )( \sqrt{3} </u><u>-</u><u> \sqrt{7} )$

$= 4( \sqrt{3} - \sqrt{7} ) + \sqrt{5} ( \sqrt{3} - \sqrt{7} )$

$= 4 \sqrt{3} - 4 \sqrt{7} + \sqrt{15} - \sqrt{35}$