How do you simplify $5sqrt3(sqrt3-2)+sqrt3(7-sqrt3)$ ?

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Answer 1 · 2016-09-01T08:54:53

$12-3sqrt3$

$5sqrt3(sqrt3-2)+sqrt3(7-sqrt3)$
$=5sqrt3^2-5sqrt3xx2+7sqrt3-sqrt3^2$
$=5xx3-10sqrt3+7sqrt3-3$
$=15-10sqrt3+7sqrt3-3$
$=12-3sqrt3$

How do you simplify 5sqrt3(sqrt3-2)+sqrt3(7-sqrt3)5sqrt3(sqrt3-2)+sqrt3(7-sqrt3)?