Question

$( 5 - \sqrt{3} )(7 + \sqrt{3} )$
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Answer 1

$35 + 5 \sqrt{3} - 7 \sqrt{3} - 3$

$(35 - 5) + (5 \sqrt{3} - 7 \sqrt{3} )$

$32 - 2 \sqrt{3}$

solve

Answer 2

Answer:

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

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

$= \: 35 + 5 \sqrt{3} - 7 \sqrt{3} - 3$

$= \: 32 - 2 \sqrt{3}$

I HOPE IT'S HELPFUL